JEE Main 2023 Previous Year Question Paper with Solutions

Find out the major product for the following reaction. [29-Jan-2023 Shift 2]

Which of the following statements are not correct?A. The electron gain enthalpy of is more negative than that of .B. Ionization enthalpy decreases in a group of periodic table.C. The electronegativity

Which of the following represents the lattice structure of containing and ions? [1-Feb-2023 Shift 1]

of heat is required to melt one mole of sodium chloride and the entropy change at the melting point is _______ at . The melting point of sodium chloride is K. (Nearest Integer) [15-Apr-2023 shift 1]

A solution containing of a non-volatile solute in of water boils at . The molecular mass of the solute is ________ . (Nearest integer)Given, water boils at for water [30-Jan-2023 Shift 1]

The rate constant for a first order reaction is . The time required for the initial concentration of the reactant to reduce to its level is _______ . (Nearest integer)(Given : [31-Jan-2023 Shift 2]

The bond order and magnetic property of acetylide ion are same as that of [12-Apr-2023 shift 1]

In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group IV in qualitative inorganic analysis? [30-Jan-2023 Shift 1]

Given below are two statements :Statement I : Methyl orange is a weak acid.Statement II : The benzenoid form of methyl orange is more intense/deeply coloured than the quinonoid form. In the light of t

If compound A reacts with following first order kinetics with rate constant . The time taken by A (in seconds) to reduce from to will be ________. (Nearest Integer) [30-Jan-2023 Shift 1]

The specific conductance of acetic acid is at a certain temperature. The dissociation constant of acetic acid is ________ . (Nearest integer)Consider limiting molar conductivity of as . [10-Apr-2023 s

2-hexene Products The two products formed in above reaction are - [12-Apr-2023 shift 1]

Consider the cell Given: and If the potential of the cell is the ratio of concentration of to is ________ (Nearest integer) [25-Jan-2023 Shift 1]

Which is not true for arginine? [15-Apr-2023 shift 1]

For the reaction: The correct statement is : [6-Apr-2023 shift 1]

The density of solution of is .Molality of the solution is ______ (Nearest integer).Given: Molar mass of and is 23 and respectively. [1-Feb-2023 Shift 1]

The for the given cell is at when The value of a is _________Given : [25-Jan-2023 Shift 2]

Number of bromo derivatives obtained on treating ethane with excess of , in diffused sunlight is... [6-Apr-2023 shift 1]

Which of the following is correct order of ligand field strength? [30-Jan-2023 Shift 1]

Sum of oxidation states of bromine in bromic acid and perbromic acid is _______. [1-Feb-2023 Shift 1]

The number of bent-shaped molecule/s from the following is _________ [10-Apr-2023 shift 1]

Decreasing order towards reaction for the following compounds is: [30-Jan-2023 Shift 2]

Boric acid in solid, whereas is gas at room temperature because of [30-Jan-2023 Shift 2]

The number of possible isomeric products formed when 3-chloro-1-butene reacts with through carbocation formation is _________ [11-Apr-2023 shift 2]

Arrange the following compounds in increasing order of rate of aromatic electrophilic substitution reaction [11-Apr-2023 shift 1]

Given below are two statements :Statement I : Aqueous solution of is preferred as a primary standard in volumetric analysis over aqueous solution.Statement II : has a higher solubility in water than I

of was dissolved in deionized water to prepare a stock solution. What volume (in ) of this solution would be required to prepare of solution?Given : Molar Mass of and is 23, 16 and 1 respectively [24-

The sum of oxidation state of the metals in and is ______ [8-Apr-2023 shift 2]

The total number of lone pairs of electrons on oxygen atoms of ozone is _______ [25-Jan-2023 Shift 1]

An organic compound gives of and of on complete combustion. If the of carbon is 24 then the of hydrogen is ________ . (Nearest integer) [13-Apr-2023 shift 1]

The number of correct statement/s from the following is___A. Larger the activation energy, smaller is the value of the rate constant.B. The higher is the activation energy, higher is the value of the

The total number of chiral compound/s from the following is ________. [1-Feb-2023 Shift 1]

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : in water is more stable than .Reason (R) : Enthalpy of hydration for is much l

Given below are two statements:Statement I: Chlorine can easily combine with oxygen to from oxides: and the product has a tendency to explode.Statement II: Chemical reactivity of an element can be det

Match List I with List II [30-Jan-2023 Shift 1]

(i) (ii) If the degree of dissociation and initial concentration of both the reactants and are equal, then the ratio of the total pressure at equilibrium is equal to . The value of is ________ (Neares

In ammonium-phosphomolybdate, the oxidation state of Mo is + ___ [6-Apr-2023 shift 1]

Correct statements for the given reaction are :A. Compound ' B' is aromaticB. The completion of above reaction is very slowC. 'A' shows tautomerismD. The bond lengths of in compound are found to be sa

The Lewis acid character of boron tri halides follows the order: [31-Jan-2023 Shift 2]

In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one? [13-Apr-2023 shift 1]

The wavelength of an electron of kinetic energy is . (Nearest integer)Given : mass of electron is [6-Apr-2023 shift 1]

Which of the following complex has a possibility to exist as meridional isomer? [11-Apr-2023 shift 1]

The number of incorrect statement from the following is _______ [8-Apr-2023 shift 2]

Which of the following complexes will exhibit maximum attraction to an applied magnetic field? [13-Apr-2023 shift 2]

Reaction of propanamide with (aq) produces: [29-Jan-2023 Shift 2]

In sulphur estimation. of an organic compound gave of barium sulphate.The percentage of sulphur in the compound is ________ (Nearest Integer)(Given: Atomic mass Ba: ) [25-Jan-2023 Shift 1]

Sodium metal crystallizes in a body centred cubic lattice with unit cell edge length of . The radius of sodium atom is ______ (Nearest integer) [13-Apr-2023 shift 2]

The total pressure of a mixture of non-reacting gases and in a vessel is 740 of . The partial pressure of the gas is of . (Nearest Integer)(Given : molar mass and ) [31-Jan-2023 Shift 1]

Solid fuel used in rocket is a mixture of and (in ratio ) the heat evolved per gram of the mixture is ________ (Nearest integer)Givne [11-Apr-2023 shift 1]

The decreasing order of hydride affinity for following carbonations is:Choose the correct answer from the options given below: [10-Apr-2023 shift 2]

Match List I with List II List I List II A. I. See - saw B. II. Square planar C. III. Bent shaped D. IV. TetrahedralChoose the correct answer from the options given below : [31-Jan-2023 Shift 1]

The strongest acid from the following is [6-Apr-2023 shift 2]

Consider the cell When the potential of the cell is at , the ratio is _______.(Nearest integer)Given: [30-Jan-2023 Shift 1]

Given below are two statements, one is labelled as Assertion and the other is labelled as Reason . Assertion A : Order of acidic nature of the following compounds is A .Reason R : Fluoro is a stronger

At , the enthalpy of the following processes are given: What would be the value of for the following reaction? _______ (Nearest integer) [1-Feb-2023 Shift 1]

How many of the transformation given below would result in aromatic amines? [31-Jan-2023 Shift 1]

A student has studied the decomposition of a gas at . He obtained the following data. 50 100 200 400 Relative 4 2 1 The order of the reaction is [24-Jan-2023 Shift 2]

The electrode potential of the following half cell at is _______ (Nearest integer).Given: [30-Jan-2023 Shift 2]

A hydrocarbon ' ' with formula uses two moles of on catalytic hydrogenation of its one mole. On ozonolysis, ' ' yields two moles of methane dicarbaldehyde. The hydrocarbon ' ' is: [31-Jan-2023 Shift 2

The one giving maximum number of isomeric alkenes on dehydrohalogenation reaction is (excluding rearrangement) [29-Jan-2023 Shift 2]

Given below are two statements:Statement I : Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes green.Statement II : The green colour observed is d

In an electrochemical reaction of lead, at standard temperature, if volt and volt, then the value of is given by . The value of is ________ (Nearest integer) [11-Apr-2023 shift 1]

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : -halocarboxylic acid on reaction with dil. gives good yield of -amino carboxyl

Incorrect statement for the use of indicators in acid-base titration is : [31-Jan-2023 Shift 2]

The correct representation in six membered pyranose form for the following sugar is [1-Feb-2023 Shift 1]

The value of for the reaction at is___(Nearest integer)Given: (Take ) [6-Apr-2023 shift 1]

Three organic compounds A, B and C were allowed to run in thin layer chromatography using hexane and gave the following result (see figure). The value of the most polar compound is ______ . [12-Apr-20

Decreasing order of dehydration of the following alcohols is [1-Feb-2023 Shift 1]

The number of s-electrons present in an ion with 55 protons in its unipositive state is [24-Jan-2023 Shift 2]

Compound reacts with and forms a compound B. Compound B reacts with and excess of to form compound which on passing through or reaction with saturated solution forms sodium hydrogen carbonate. Compoun

The correct increasing order of the ionic radii is [31-Jan-2023 Shift 1]

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason Assertion A : The energy required to form from is much higher than that required to produce Reason R:

bond length in is than the bond length in . The bond length in is than that of the bond in .Choose the correct option for and from the given below. [1-Feb-2023 Shift 2]

Thin layer chromatography of a mixture shows the following observation :The correct order of elution in the silica gel column chromatography is [11-Apr-2023 shift 1]

Number of isomeric aromatic amines with molecular formula , which can be synthesized by Gabriel Phthalimide synthesis is___ [6-Apr-2023 shift 2]

Arrange the following orbitals in decreasing order of energy ?(A) (B) (C) (D) The correct option for the order is : [31-Jan-2023 Shift 2]

Given below are two statements:Statement I : Sulphanilic acid gives esterification test for carboxyl group.Statement II : Sulphanilic acid gives red colour in Lassigne's test for extra element detecti

of is added to of acetic acid solution. The of the resulting solution is _______ (Nearest integer) [13-Apr-2023 shift 2]

When 2 litre of ideal gas expands isothermally into vacuum to a total volume of 6 litre, the change in internal energy is ______ J. (Nearest integer) [30-Jan-2023 Shift 1]

The correct relationships between unit cell edge length ' a ' and radius of sphere ' ' for face-centred and bodycentred cubic structures respectively are: [10-Apr-2023 shift 2]

If the degree of dissociation of aqueous solution of weak monobasic acid is determined to be 0.3 , then the observed freezing point will be ________ higher than the expected/theoretical freezing point

When is heated in presence of oxygen, it converts to . The number of correct statement/s from the following is___A. The equivalent weight of is . B. The number of moles of and in 1 mole of is and resp

of calcium hydroxide was consumed when it was reacted with of unknown solution of . Also standard solution of containing 2 drops of phenolphthalein was titrated with calcium hydroxide, the mixture sho

The number of molecules and moles in 2.8375 litres of at STP are respectively [10-Apr-2023 shift 1]

1 mole of ideal gas is allowed to expand reversibly and adiabatically from a temperature of . The work done is . The final temperature of the gas is _______ (Nearest integer). Given . [30-Jan-2023 Shi

[1-Feb-2023 Shift 2]

From the figure of column chromatography given below, identify incorrect statements.A. Compound 'c' is more polar than ' ' and ' 'B. Compound ' ' is least polarC. Compound ' ' comes out of the column

The number of incorrect statement/s about the black body from the following is ________(A) Emit or absorb energy in the form of electromagnetic radiation(B) Frequency distribution of the emitted radia

The observed magnetic moment of the complex is . The numerical value of is _______. [8-Apr-2023 shift 2]

Match List I with List II. List-I List-II A. van't Hofffactor, i I. Cryoscopic constant B. II. Isotonic solutions C. Solutions with same osmotic pressure III. D. Azeotropes IV. Solutions with same com

The correct order in aqueous medium of basic strength in case of methyl substituted amines is : [25-Jan-2023 Shift 1]

The number of incorrect statement/s from the following isA. The successive half lives of zero order reactions decreases with time.B. A substance appearing as reactant in the chemical equation may not

The orbital angular momentum of an electron in orbital is . The value of is _______ (nearest integer) [13-Apr-2023 shift 2]

For elements B, C, N, Li, Be, O and F, the correct order of first ionization enthalpy is [11-Apr-2023 shift 1]

For a metal ion, the calculated magnetic moment is . This metal ion has ________ number of unpaired electrons. [10-Apr-2023 shift 2]

The number of statement's, which are correct with respect to the compression of carbon dioxide from point (a) in the Andrews isotherm from the following is____A. Carbon dioxide remains as a gas upto p

The magnetic moment of a transition metal compound has been calculated to be B.M. The metal ion is [24-Jan-2023 Shift 1]

Identify the incorrect option from the following: [1-Feb-2023 Shift 1]

Which of the following complex is octahedral, diamagnetic and the most stable? [8-Apr-2023 shift 1]

It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power 'n' i.e. of X-rays emitted is plotted against atomic number ' ', following graph is obtained.

Cyclohexylamine when treated with nitrous acid yields (P). On treating (P) with PCC results in (Q). When (Q) is heated with dil. we get (R) The final product (R) is: [31-Jan-2023 Shift 2]

Match List I with List II: List I (Mixture) List II (SeparationTechnique) (A) I. Steam distillation (B) II. Differential extraction (C) III. Distillation (D) Organic compound IV. Fractionaldistillatio

The solubility product of is _______ at . The solubility of in (aq) solut is (Nearest integer)Given: Molar mass of is [8-Apr-2023 shift 2]

Solution of of non-electrolyte (A) prepared by dissolving it in of water exerts the same osmotic pressure as that of glucose solution at the same temperature. The empirical formula of is . The molecul

The correct order of basicity of oxides of vanadium is [31-Jan-2023 Shift 1]

For the first order reaction the half life is . The time taken for completion of the reaction is _______ mm. (Nearest mteger)Given : [25-Jan-2023 Shift 1]

The titration curve of weak acid vs. strong base with phenolphthalein as indictor) is shown below. The Given The number of following statements/s which is/are correct about phenolphthalein is ________

Number of moles of formed in the following reaction is [24-Jan-2023 Shift 1]

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R: Assertion A : In the photoelectric effect electrons are ejected from the metal surface as soon as

When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium, a dark brown ring was formed whereas on treatment with neutral . it gave deep

Match List - I with List - II LIST-I (Atomic number) LIST-II (Block of periodictable) (A) 37 I. p-block (B) 78 II. d-block (C) 52 III. f-block (D) 65 IV. s-blockChoose the correct answer from the opti

The ratio of spin-only magnetic moment values is ________. [11-Apr-2023 shift 1]

The water gas on reacting with cobalt as a catalyst forms [8-Apr-2023 shift 1]

For conversion of compound , the rate constant of the reaction was found to be . The order of the reaction is _______. [29-Jan-2023 Shift 2]

In the following reaction, ' ' is [6-Apr-2023 shift 2]

The standard electrode potential of in aqueous solution does not depend on [6-Apr-2023 shift 1]

Zinc reacts with hydrochloric acid to give hydrogen and zinc chloride. The volume of hydrogen gas produced at STP from the reaction of of zinc with excess is _______ (Nearest integer)(Given : Molar ma

Which one of the following statements is correct for electrolysis of brine solution? [31-Jan-2023 Shift 1]

Match List I with List II LIST I Complex LIST II Crystal Field splitting energy A I. -1.2 B II. -0.8 C III. 0 D IV. -0.8Choose the correct answer from the options given below: [10-Apr-2023 shift 2]

The standard reduction potential at for the following half cells are given below :- The number of metal(s) which will be oxidized by in aqueous solution is [6-Apr-2023 shift 2]

Chiral complex from the following is:Here en ethylene diamine [29-Jan-2023 Shift 1]

The number of species from the following carrying a single lone pair on central atom Xenon is ________ [8-Apr-2023 shift 2]

In the cumene to phenol preparation in presence of air, the intermediate is [25-Jan-2023 Shift 1]

For the given reactionThe total number of possible products formed by tertiary carbocation of is _________. [13-Apr-2023 shift 1]

One mole of reacts with 8 moles to give 4 moles of mole of and 2 moles of and respectively are [11-Apr-2023 shift 2]

of an aqueous solution of was found to require of solution when titrated using as an indicator. What is the depression in freezing point of solution of the given concentration? ________ (Nearest integ

An analyst wants to convert of to a solution of of . The volume of water needed to do this dilution is _______ mL. (Nearest integer) [12-Apr-2023 shift 1]

Bond dissociation energy of bond of the " " hydrides of group 16 elements (given below), follows order.(A) (B) (C) (D) [30-Jan-2023 Shift 2]

A protein ' ' with molecular weight of , on hydrolysis gives amino acids. One of these amino acid is [31-Jan-2023 Shift 1]

If the radius of the first orbit of hydrogen atom , then de Broglie's wavelength of electron in orbit is [6-Apr-2023 shift 2]

The bond dissociation energy is highest for [29-Jan-2023 Shift 1]

The correct IUPAC nomenclature for the following compound is : [8-Apr-2023 shift 2]

'A' and 'B' formed in the following set of reactions are : [24-Jan-2023 Shift 1]

Total number of tripeptides possible by mixing of valine and proline is___ [24-Jan-2023 Shift 2]

Uracil is base present in RNA with the following structure. of in uracil is___Given :Molar mass ; [24-Jan-2023 Shift 1]

Amongst the following, the number of species having the linear shape is _______. [31-Jan-2023 Shift 2]

The complex with highest magnitude of crystal field splitting energy is [15-Apr-2023 shift 1]

_______ [31-Jan-2023 Shift 1]

At , the root mean square (rms) speed of gas (molar mass ) is equal to the most probable speed of gas at . The molar mass of the gas is ______ Nearest integer [12-Apr-2023 shift 1]

For certain chemical reaction , the rate of formation of product is plotted against the time as shown in the figure. The number of Correct statement/s from the following is ________(A) Over all order

The molality of a solution of di-bromine solution in (carbon tetrachloride) is ' '. _______ . (Nearest integer)[Given : molar mass of atomic mass of atomic mass of density of dibromine density of ] [1

Compound that will give positive Lassaigne's test for both nitrogen and halogen is [29-Jan-2023 Shift 1]

At , a solution containing of solute in of solution exerts an osmotic pressure of . The molar mass of the solute is _______ (Nearest integer)(Given : [31-Jan-2023 Shift 1]

A metal M forms hexagonal close-packed structure. The total number of voids in of it is _______ (Nearest integer) Given [29-Jan-2023 Shift 2]

The complex that dissolves in water is [11-Apr-2023 shift 1]

Strong reducing and oxidizing agents among the following, respectively, are [6-Apr-2023 shift 1]

Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly isGiven frequency of -ray emitted atomic number [8-Apr-2023 shift 2]

' ' and ' ' in the above reactions are : [11-Apr-2023 shift 1]

Given below are two statements :Statement I : under Clemmensen reduction conditions will give Statement II : under Wolff-Kishner reduction condition will give In the light of the above statements, cho

Increasing order of stability of the resonance structure is : A. B. C. D. [24-Jan-2023 Shift 1]

An aqueous solution of volume contains of protein. The osmotic pressure of the solution at 300 is 1.29 mbar. The molar mass of the protein is _______ Given : bar K [10-Apr-2023 shift 2]

A metal surface of area has to be coated with nickel layer of thickness . A current of was passed through a solution of for ' ' seconds to coat the desired layer. The value of is (Nearest integer) den

Decreasing order of the hydrogen bonding in following forms of water is correctly represented byA. Liquid waterB. IceC. Impure water [24-Jan-2023 Shift 1]

Which will undergo deprotonation most readily in basic medium? [24-Jan-2023 Shift 2]

The correct order of the number of unpaired electrons in the given complexes isA. B. C. D. E. Choose the correct answer from the options given below: [10-Apr-2023 shift 2]

The correct order of melting point of dichlorobenzenes is [31-Jan-2023 Shift 1]

The d-electronic configuration of in tetrahedral crystal field is . Sum of ' ' and 'number of unpaired electrons is_____ [24-Jan-2023 Shift 1]

Resonance in carbonate ion isWhich of the following is true? [1-Feb-2023 Shift 1]

In the reaction given below [13-Apr-2023 shift 1]

Assertion A : Hydrolysis of an alkyl chloride is a slow reaction but in the presence of NaI, the rate of the hydrolysis increases.Reason R: is a good nucleophile as well as a good leaving group.In the

Consider the following equation: . The number of factors which will increase the yield of at equilibrium from the following is _______ [30-Jan-2023 Shift 2]

The energy of an electron in the first Bohr orbit of hydrogen atom is . Its energy in the third Bohr orbit is _______. [13-Apr-2023 shift 1]

An organic compound , shows optical activity and gives gas on treatment with . The compound reacts with producing a compound which is soluble in . The structure of is: [31-Jan-2023 Shift 2]

The bond angle values in a fac complex is/are: [30-Jan-2023 Shift 2]

The number of following statements which is/are incorrect is _________ [8-Apr-2023 shift 1]

Choose the correct answer from the options given below: [10-Apr-2023 shift 1]

The major product ' ' formed in the given reaction is [10-Apr-2023 shift 1]

Which of the following conformations will be the most stable? [25-Jan-2023 Shift 1]

If wavelength of the first line of the Paschen series of hydrogen atom is , then the wavelength of the second line of this series is _____ (Nearest integer) [24-Jan-2023 Shift 1]

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Benzene is more stable than hypothetical cyclohexatriene.Reason R : The delocalized

Formation of which complex, among the following, is not a confirmatory test of ions [6-Apr-2023 shift 2]

Compound , given a tetraacetate with and oxidation of with gives an acid, . Reduction of with gives isopentane. The possible structure of is : [31-Jan-2023 Shift 2]

The effect of addition of helium gas to the following reaction in equilibrium state, is: [1-Feb-2023 Shift 2]

Total number of acidic oxides among and is _________. [29-Jan-2023 Shift 2]

The spin only magnetic moment of complexes is _______ B.M. (Nearest integer)(Given : Atomic no. of is 25 ) [1-Feb-2023 Shift 2]

If the boiling points of two solvents and (having same molecular weights) are in the ratio and their enthalpy of vaporizations are in the ratio , then the boiling point elevation constant of is times

Match List I with List II List I (Amines) List II A. Aniline I. B. Ethanamine II. 3.00 C. N-Ethylethanamine III. 9.38 D. N, N-Diethylethanamine IV. 3.29Choose the correct answer from the options given

In the following reaction, ' ' is'A' Major product. [1-Feb-2023 Shift 1]

Match List I with List II List IList IINatural Amino acidOne Letter Code(A) Arginine(I) D(B) Aspartic acid(II) (C) Asparagine(III) A(D) Alanine(IV) Choose the correct answer from the options given bel

Compound A from the following reaction sequence is : [13-Apr-2023 shift 2]

The incorrect statement from the following for borazine is: [13-Apr-2023 shift 1]

Suitable reaction condition for preparation of Methyl phenyl ether is [10-Apr-2023 shift 1]

The number of molecules from the following which contain only two lone pair of electrons is ________ [10-Apr-2023 shift 2]

The magnetic behaviour of and , respectively, are [29-Jan-2023 Shift 1]

See the following chemical reaction: The sum of and is _______ [13-Apr-2023 shift 2]

The mass of produced when of cyclohexanecarbaldehyde undergoes Tollen's test is . (Nearest Integer)Molar Mass of [12-Apr-2023 shift 1]

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.Assertion A : can be easily reduced using to Reason R : is used to reduce carbonyl group to group.I

of an organic compound with carbon will produce ________ of on complete combustion. [8-Apr-2023 shift 1]

Match List I with List II: List I (Reagents used) List II (Compound with Functional group detected) A. Alkaline solution of copper sulphate and sodium cirate I. B. Neutral solution II. C. Alkaline chl

Identify the product formed (A and E) [25-Jan-2023 Shift 1]

The correct reaction profile diagram for a positive catalyst reaction. [8-Apr-2023 shift 2]

In the above reaction, left hand side and right hand side rings are named as ' A ' and ' ' respectively. They undergo ring expansion. The correct statement for this process is: [13-Apr-2023 shift 1]

Incorrect method of preparation for alcohols from the following is: [10-Apr-2023 shift 2]

During the qualitative analysis of using dilute gas is evolved which turns solution (acidified with dilute ): [30-Jan-2023 Shift 1]

In the following reaction [12-Apr-2023 shift 1]

The electron in the nth orbit of is excited to orbit using the radiation of energy shown in the diagram). The value of is ________Given: [10-Apr-2023 shift 2]

A. Ammonium salts produce haze in atmosphere.B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals.C. Polychlorinated biphenyls act as cleansing solvents.D. 'Blue baby' syndrome

The set which does not have ambidentate ligand (s) is [11-Apr-2023 shift 1]

The volume of , containing , required to completely neutralise obtained by reacting of metallic sodium with water, is ________ . (Nearest Integer)(Given : molar Masses of are 23, and respectively) [29

oxidises in acidic and neutral/faintly alkaline solution, respectively to [30-Jan-2023 Shift 2]

Enthalpies of formation of and are and respectively. The magnitude of enthalpy of the reaction given below is ________ (nearest integer) [31-Jan-2023 Shift 2]

The major product in the Friedel-Craft acylation of chlorobenzene is : [15-Apr-2023 shift 1]

Given below are two statements : one is labelled as"Assertion A" and the other is labelled as "Reason R".Assertion : In the complex and , the metals have zero oxidation state.Reason R : Low oxidation

The number of bonds in and are respectively [15-Apr-2023 shift 1]

Element not present in Nessler's reagent is:- [6-Apr-2023 shift 2]

Given below are two statements:Statement I : Nickel is being used as the catalyst for producing syn gas and edible fats.Statement II : Silicon forms both electron rich and electron deficient hydrides.

The IUPAC name of is :- [6-Apr-2023 shift 2]

Match list I with list II LIST - I Natural amino acid LIST - II One letter code A. Glutamic acid I. Q B. Glutamine II. W C. Tyrosine III. E D. Tryptophan IV. YChoose the correct answer from the option

The number of pairs of the solution having the same value of the osmotic pressure from the following is ________.(Assume 100\% ionization)A. and B. (aq) and C. and (aq)D. and (aq)E. and [25-Jan-2023 S

Given below are two statements: one is labelled as Assertion and the other is labelled as Reason Assertion A : of hydrated oxalic acid dissolved in water to make solution will result in oxalic acid so

Consider the following reaction approaching equilibrium at and pressure The standard Gibb's energy change at is (-) _______ (Nearest integer).(Given : and ) [29-Jan-2023 Shift 1]

The pair of lanthanides in which both elements have high third - ionization energy is: [13-Apr-2023 shift 1]

80 mole percent of is dissociated in aqueous solution. The vapour pressure of 1.0 molal aqueous solution of at is _______ . (Nearest integer)Given : Vapour pressure of water at is . [12-Apr-2023 shift

An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is : [24-Jan-2023 Shift 1]

The number of correct statements from the following isA. For orbital, the probability density is maximum at the nucleusB. For orbital, the probability density first increases to maximum and then decre

Order of Covalent bond;A. B. C. D. E. [24-Jan-2023 Shift 1]

For the given reaction, if the initial pressure is and the pressure at time is at a constant temperature and constant volume . The fraction of decomposed under these conditions is . The value of is __

The ratio of sigma and bonds present in pyrophosphoric acid is _______ [8-Apr-2023 shift 2]

In the depression of freezing point experimentA. Vapour pressure of the solution is less than that of pure solventB. Vapour pressure of the solution is more than that of pure solventC. Only solute mol

Given below are two statements:Statement I : Pure Aniline and other arylamines are usually colourless.Statement II : Arylamines get coloured on storage due to atmospheric reduction.In the light of the

Match List I with List II LIST I Complex LIST II CFSE A. I. B. II. -2.0 C. III. -1.2 D. IV. -0.4Choose the correct answer from the options given below: [12-Apr-2023 shift 1]

The volume of aqueous required to neutralize of aqueous is (Assume complete neutralization) [6-Apr-2023 shift 2]

The octahedral diamagnetic low spin complex among the following is [10-Apr-2023 shift 1]

A chloride salt solution acidified with dil. gives a curdy white precipitate, , on addition of . [A] on treatment with gives a clear solution, B. [25-Jan-2023 Shift 2]

A solution of in amyl alcohol has a....colour [29-Jan-2023 Shift 2]

The value of in compound ' ' is _______. [12-Apr-2023 shift 1]

The vapour pressure vs. temperature curve for a solution solvent system is shown below:The boiling point of the solvent is _______ [8-Apr-2023 shift 1]

The above reaction is of zero order. Half life of this reaction is . The time taken for the concentration of to reduce to one-fourth of its initial value is _______ .(Nearest integer) [1-Feb-2023 Shif

"A" obtained by Ostwald's method involving air oxidation of , upon further air oxidation produces "B". "B" on hydration forms an oxoacid of Nitrogen along with evolution of "A". The oxoacid also produ

The number of molecules or ions from the following, which do not have odd number of electrons are ________.(A) (B) (C) (D) (E) (F) [29-Jan-2023 Shift 1]

Using column chromatography mixture of two compounds ' ' and ' ' was separated. 'A' eluted first, this indicates ' ' has [10-Apr-2023 shift 1]

What happens when methance undergoes combustion in systems A and B respectively? [13-Apr-2023 shift 2]

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The spin only magnetic moment value for is , whereas for is .Reason : In both complex

The total number of stereoisomers for the complex where ox oxalate is : [13-Apr-2023 shift 2]

For compound having the formula , the correct option form the following is [11-Apr-2023 shift 1]

The major products and from the following reactions are: [6-Apr-2023 shift 1]

For of gas, the plot of vs is shown below. is the pressure and is the volume of the gas.What is the value of compressibility factor at point ? [29-Jan-2023 Shift 1]

The number of correct statements from the following is _______. (A) Conductivity always decreases with decrease in concentration for both strong and weak electrolysis.(B) The number of ions per unit v

The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous is Choose the correct answer from the options given below: [8-Apr-2023 shift 2]

Number of hydrogen atoms per molecule of a hydrocarbon A having carbon is _______(Given : Molar mass of ) [25-Jan-2023 Shift 2]

The number of species having a square planar shape from the following is______ [6-Apr-2023 shift 2]

In the above conversion of compound to product , the sequence of reagents to be used will be: [30-Jan-2023 Shift 2]

Sea water contains and by weight of solution. The normal boiling point of the sea water is _______ (Nearest integer)Assume ionization for both and Given : Molar mass of and is 58.5 and respectivley. [

For a chemical reaction Product, the order is 1 with respect to and . [A] [B] 0.10 20 0.5 0.40 x 0.5 0.80 40 YWhat is the value of and ? [11-Apr-2023 shift 2]

What is the correct order of acidity of the protons marked A-D in the given compounds ? [30-Jan-2023 Shift 1]

The major products ' and ' ', respectively, are [30-Jan-2023 Shift 1]

Compound is neutral. gives effervescence with while reacts with Hinsbergs reagent to give solid soluble in . [6-Apr-2023 shift 1] Compound is

is the time required for the reaction to undergo completion and is the time required for the reaction to undergo completion. The relation between and for a first order reaction is _________ . The valu

Match list I with list II List I Species List II Geometry/ Shape A. I. Tetrahedral B. Acetylide anion II. Linera C. III. Pyramidal D. IV. BentChoose correct answer from the options given below: [11-Ap

The one that does not stabilize and structures of proteins is [10-Apr-2023 shift 1]

The sum of bridging carbonyls in and is _______. [29-Jan-2023 Shift 1]

Match List I with List II LIST-I (molecules/ions) LIST-II (No. of lone pairs of on central atom) (A) I. Three (B) II. One (C) III. Two (D) IV. ZeroChoose the correct answer from the options given belo

Maximum number of isomeric monochloro derivatives which can be obtained from 2,2,5,5tetramethylhexane by chlorination is [24-Jan-2023 Shift 2]

The reaction takes places through the mechanism given below: The overall order of the reaction is _______. [12-Apr-2023 shift 1]

At what , given half cell (0.001 M) will have electrode potential of ? _______ (Nearest Integer)Given [1-Feb-2023 Shift 1]

In the following reactions, the total number of oxygen atoms in and is _______ [10-Apr-2023 shift 1]

The energy of one mole of photons of radiation of frequency in is _______.(Nearest integer)(Given: [30-Jan-2023 Shift 1]

Prolonged heating is avoided during the preparation of ferrous ammonium sulphate to [10-Apr-2023 shift 1]

One mole of an ideal monoatomic gas is subjected to changes as shown in the graph. The magnitude of the work done (by the system or on the system) is (nearest integer). Given : [24-Jan-2023 Shift 2]

Consider the following dateHeat of combustion of Heat of combustion of Heat of combustion of .The heat of formation of is (-)_____ (Nearest integer) [6-Apr-2023 shift 2]

Highest oxidation state of is exhibited in . The correct statements about are(A) is tetrahedrally surrounded by oxygen atoms(B) is octahedrally surrounded by oxygen atoms(C) Contains Mn-O-Mn bridge(D)

The wave function of is given by At , radial node is formed. Thus, in terms of [30-Jan-2023 Shift 2]

The volume of hydrogen liberated at STP by treating of magnesium with excess of hydrochloric acid is ________ .Given: Molar volume of gas is at STP. Molar mass of magnesium is [11-Apr-2023 shift 2]

At , the solubility of silver chloride in water is . The value of for silver chloride is(Given mass of is and mass of is _______ [31-Jan-2023 Shift 2]

The number of following factors which affect the percent covalent character of the ionic bond is ________ [8-Apr-2023 shift 1]

What is the value of ? [8-Apr-2023 shift 1]

The volume (in ) of required for complete precipitation of chloride ions present in of solution of as silver chloride is _______. [15-Apr-2023 shift 1]

The above reaction was studied at by monitoring the concentration of in which initial concentration was and after half an hour became . The rate of production of is ________ [11-Apr-2023 shift 1]

Lead storage battery contains by weight solution of . The van't Hoff factor is at this concentration. The temperature in Kelvin at which the solution in the battery will freeze is _______ (Nearest int

Given below are two statements :Statement I: and both possess -shaped structure.Statement II : The bond angle of less than that of In the light of the above statements, choose the most appropriate ans

Among the following compounds, the one which shows highest dipole moment is [13-Apr-2023 shift 1]

solution of is mixed with solution of . The resulting solution is divided into two equal parts and treated with excess solution and solution respectively as shown below: solution (excess) Solution sol

o-Phenylenediamine ' ' Major Product ' ' is [11-Apr-2023 shift 1]

The enthalpy change for the conversion of ________ [31-Jan-2023 Shift 1]

Consider the following sequence of reaction :The product ' ' is : [15-Apr-2023 shift 1]

of acetic acid is dissociated when its is added to of water. The depression in freezing point of such water is _______ . Atomic mass of and are 12,1 and 16 a.m.u. respectively.[Given : Molal depressio

For molecule consider the following:(A) Number of lone pairs on oxygen is 2 .(B) FOF angle is less than .(C) Oxidation state of is .(D) Molecule is bent ' ' shaped.(E) Molecular geometry is linear.Cor

The primary and secondary valencies of cobalt respectively in are : [24-Jan-2023 Shift 1]

The standard electrode potential for , are and , respectively. The metal ions which can liberate from a dilute acid are [29-Jan-2023 Shift 1]

The major product ' ' formed in the following sequence of reactions is [12-Apr-2023 shift 1]

Choose the halogen which is most reactive towards reaction in the given compounds (A, B, C, & D) [8-Apr-2023 shift 1]

The number of atomic orbitals from the following having 5 radial nodes is _______ [8-Apr-2023 shift 2]

Which of the following are the example of double salt?(A) (B) (C) (D) Choose the correct answer. [1-Feb-2023 Shift 1]

The major product ' ' for the following sequence| of reactions is: [29-Jan-2023 Shift 1]

An athlete is given of glucose for energy. This is equivalent to of energy. The of this energy gained is utilized by the athlete for sports activities at the event. In order to avoid storage of energy

of silver nitrate solution (1M) is added dropwise to of potassium iodide solution. The ion(s) present in very small quantity in the solution is/are [11-Apr-2023 shift 1]

When the hydrogen ion concentration changes by a factor of 1000 , the value of of the solution _______. [25-Jan-2023 Shift 2]

The increasing order of for the following phenols is [29-Jan-2023 Shift 1]

Match list I with list II LIST - I Coordination complex LIST - II Number of unpaired electrons A. I. 0 B. II. 3 C. III. 2 D. IV. 4Choose the correct answer from the options given below: [8-Apr-2023 sh

In the reaction given below [13-Apr-2023 shift 1]

Match List I with List II List I Element detected List II Reagent used Product formed Nitrogen I. B Sulphur II. Phosphorous III. Halogen IV. Choose the correct answer from the options given below: [6-

reacts with to form ________ [8-Apr-2023 shift 1]

Find out the major product from the following reaction [6-Apr-2023 shift 2]

For lead storage battery pick the correct statementsA. During charging of battery, on anode is converted into B. During charging of battery, on cathode is converted into C. Lead storage battery consis

A solution of when treated with gives a prussiun blue precipitate due to the formation of [1-Feb-2023 Shift 1]

Match List I with List II: List I (Complexes) List II (Hybridis ation) (A) I. (B) II. (C) III. (D) IV. [30-Jan-2023 Shift 2]

Given below are two statements:Statement I : The decrease in first ionization enthalpy from to is much larger than that from to .Statement II : The d orbitals in Ga are completely filled.In the light

Mass of Urea required to be dissolved in of water to reduce the vapour pressure of water by is......g. (Nearest integer)Given: Molar mass of N, C, O and H are 14, 12,16 and respectively. [6-Apr-2023 s

The reaction occurs in which of the given galvanic cell. [8-Apr-2023 shift 1]

The hybridization and magnetic behaviour of cobalt ion in complex, respectively is [24-Jan-2023 Shift 2]

The Total pressure observed by mixing two liquid and is when their mole fractions are and respectively.The Total pressure becomes if the mole fractions are changed to and respectively for and . The va

The correct order for acidity of the following hydroxyl compound is :Choose the correct answer from the options given below: [10-Apr-2023 shift 2]

In the above conversion the correct sequence of reagents to be added is :Options : [15-Apr-2023 shift 1]

Reaction of thionyl chloride with white phosphorus forms a compound , which on hydrolysis gives [B], a dibasic acid. [A] and [B] are respectively [25-Jan-2023 Shift 1]

Number of compounds from the following which will not produce orange red precipitate with Benedict solution is ________ Glucose, maltose, sucrose, ribose, 2-deoxyribose, amylose, lactose [11-Apr-2023

Maximum number of electrons that can be accommodated in shell with are: [30-Jan-2023 Shift 2]

Choose the correct colour of the product for the following reaction. [24-Jan-2023 Shift 2]

When of an organic compound containing carbon was burnt completely, of was produced. The molar mass of compound is _______ (Nearest integer) [29-Jan-2023 Shift 2]

Which of the following statement is correct for paper chromatography? [15-Apr-2023 shift 1]

To inhibit the growth of tumours, identify the compounds used from the following:(A) EDTA(B) Coordination Compounds of Pt(C) D-Penicillamine(D) Cis - PlatinChoose the correct answer from the option gi

Given below are two statements, one is labelled as Assertion and the other is labelled as Reason Assertion A :- Carbon forms two important oxides and is neutral whereas is acidic in nature.Reason :- c

Values of work function ( for a few metals are gives below Metal Li Na K Mg Cu Ag 2.42 2.3 2.25 3.7 4.8 4.3The number of metals which will show photoelectric effect when light of wavelength falls on i

The number of correct statements from the following is ________A. is an intensive parameterB. A negative means that the redox couple is a stronger reducing agent than the couple.C. The amount of elect

Number of compounds from the following which will not dissolve in cold and solutions but will dissolve in hot solution is _______. [30-Jan-2023 Shift 2]

The resistivity of a solution of an electrolyte is _______ . Its molar conductivity is . (Nearest integer) [31-Jan-2023 Shift 2]

Which halogen is known to cause the reaction given below: [8-Apr-2023 shift 1]

The total number of intensive properties from the following is ______ new line volume, Molar heat capacity, Molarity, cell, Gibbs free energy change, Molar mass, Mole [11-Apr-2023 shift 2]

Compound ' ' is [11-Apr-2023 shift 2]

A first order reaction has the rate constant, . The number of correct statement from the following is/are ________.Given : A. Reaction completes in .B. The reaction has a half-life of .C. The time req

The number of endothermic process/es from the following isA. B. C. D. E. Dissolution of ammonium chloride in water [10-Apr-2023 shift 2]

A sample of a metal oxide has formula . The metal can exist in two oxidation states and . In the sample of , the percentage of metal ions existing in oxidation state is _______ (nearest integer) [31-J

Which one of the following pairs is an example of polar molecular solids? [11-Apr-2023 shift 2]

The isomeric deuterated bromide with molecular formula having two chiral carbon atoms is [25-Jan-2023 Shift 2]

The difference in the oxidation state of Xe between the oxidised product of Xe formed on complete hydrolysis of and is _______ [10-Apr-2023 shift 2]

The equilibrium constant for the reaction is at . The magnitude of standard electrode potential of if is _______ . (Nearest integer) [29-Jan-2023 Shift 2]

Match List I with List II List I Coordination entity List II Wavelength of light absorbed in A. I. 310 B. II. 475 C. III. 535 D. IV. 600 Choose the correct answer from the options given below :- [25-J

The radius of the orbit of is . The expected radius of the orbit of is [25-Jan-2023 Shift 1]

The maximum number of lone pairs of electrons on the central atom from the following species is ________ and [11-Apr-2023 shift 2]

The covalency and oxidation state respectively of boron in , are : [13-Apr-2023 shift 2]

Which of the following have same number of significant figures?A. 0.00253B. 1. 0003C. 15.0D. 163Choose the correct answer from the options given below [8-Apr-2023 shift 2]

If the of lactic acid is 5, then the of calcium lactate solution at is ______ (Nearest integer) Lactic acid [24-Jan-2023 Shift 2]

List I Oxide List II Type of Bond A I. bondB II. bondC III. bondD IV. bond Choose the correct answer from the options given below: [6-Apr-2023 shift 1]

The correct sequence of reagents for the preparation of and is : [25-Jan-2023 Shift 1]

The number of correct statement/s involving equilibria in physical from the following is ________ [10-Apr-2023 shift 1]

Match List I and List II List I Test List II Functional group /Class of Compound A. Molisch's Test I. Peptide B. Biuret Test II. Carbohydrate C. Carbylamine Test III. Primary amine D. Schiff s Test IV

What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species : ? [24-Jan-2023 Shift 2]

' ' in the given reaction is [25-Jan-2023 Shift 2]

The total change in the oxidation state of manganese involved in the reaction of and potassium iodide in the acidic medium is _______. [15-Apr-2023 shift 1]

of an organic compound gave of in Carius method for estimation of bromine. \% of bromine in the compound is ______ . (Given: Molar mass ) [13-Apr-2023 shift 2]

Isomeric amines with molecular formula given the following tests Isomer Can be prepared by Gabriel phthalimide synthesis Isomer Reacts with Hinsberg's reagent to give solid insoluble in Isomer Reacts

Compound from the following that will not produce precipitate on reaction with is : [11-Apr-2023 shift 2]

A metal M crystallizes into two lattices :- face centred cubic (fcc) and body centred cubic (bcc) with unit cell edge length of and respectively. The ratio of densities of lattices fcc to bcc for the

Arrange the following gases in increasing order of van der waals constant ' 'A. ArB. C. D. Choose the correct options from the following [8-Apr-2023 shift 2]

For a concentrated solution of a weak electrolyte ( equilibrium constant) of concentration ' ', the degree of dissociation " ' is [6-Apr-2023 shift 1]

of is mixed with of of is at . The ratio of and is _________ . (Nearest integer) [13-Apr-2023 shift 1]

The major product formed in the followingreaction is [6-Apr-2023 shift 1]

The number of paramagnetic species from the following is ______. [25-Jan-2023 Shift 1]

The homoleptic and octahedral complex of and has _______ unparied electrons(s) in the set of orbitals. [15-Apr-2023 shift 1]

Where NucleophileFind out the correct statement from the options given below for the above 2 reactions. [11-Apr-2023 shift 1]

The equilibrium composition for the reaction at is given below. If of is added at the same temperature, the equilibrium concentrations of is ______ .Given : for the reaction at is 20 [6-Apr-2023 shift

In a reaction,reagents ' ' and ' ' respectively are : [1-Feb-2023 Shift 2]

The number of species from the following which have square pyramidal structure is [6-Apr-2023 shift 1]

The number of hyperconjugation structures involved to stabilize carbocation formed in the above reaction is ________ [11-Apr-2023 shift 1]

Given below are two statements :Statement I : Tropolone is an aromatic compound and has electrons.Statement II : electrons of group in tropolone is incolved in aromaticityIn the light of the above sta

A certain quantity of real gas occupies a volume of at and when its compressibility factor is 1.07 . Its volume at and (When its compressibility factor is 1.4 ) is ____ . (Nearest integer) [13-Apr-202

Consider the following reaction that goes from to B in three steps as shown below:- Choose the correct Number of intermediates Number of Activated complexes Rate determinng step (1) 3 2 II (2) 2 3 II

The sum of lone pairs present on the central atom of the interhalogen and is _______ [10-Apr-2023 shift 1]

During the borax bead test with , a blue green colour of the bead was observed in oxidising flame due to the formation of [29-Jan-2023 Shift 1]

At , a 1 litre solution containing of and of shows a pH of .Given : and The potential for the half cell reaction is . The value of is____ [24-Jan-2023 Shift 1]

Given below are two statements :Statement I : is more covalent than Statement II : The higher oxides of halogens also tend to be more stable than lower ones.In the light of the above statements, choos

Which one of the following sets of ions represents a collection of isoelectronic species?(Given : Atomic Number: , ) [1-Feb-2023 Shift 2]

Identify the correct order for the given property for following compoundsChoose the correct answer from the option given below :- [29-Jan-2023 Shift 1]

of ethane undergoes combustion at in a bomb calorimeter. The temperature of calorimeter system (including the water) is found to rise by . The heat evolved during combustion of ethane at constant pres

The compound which does not exist is [10-Apr-2023 shift 1]

An atomic substance of molar mass has a cubic crystal structure with edge length of . The no. of atoms present in one unit cell of is ______ (Nearest integer)Given the density of is and [11-Apr-2023 s

The magnetic moment is measured in Bohr Magneton (BM). Spin only magnetic moment of in and complexes respectively is: [11-Apr-2023 shift 2]

When a hydrocarbon A undergoes complete combustion it requires 11 equivalents of oxygen and produces 4 equivalents of water. What is the molecular formula of A ? [31-Jan-2023 Shift 2]

Which of the following relations are correct?(A) (B) (C) (D) Choose the most appropriate answer from the options given below : [29-Jan-2023 Shift 2]

Among following compounds, the number of those present in copper matte is ______.A. B. C. D. [1-Feb-2023 Shift 2]

If the CFSE of is , this complex will absorb maximum at wavelength ____ . (nearest integer)Assume Planck's constant Speed of light and Avogadro's constant [31-Jan-2023 Shift 2]

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason :Assertion A : Acetal/Ketal is stable in basic medium.Reason : The high leaving tendency of alkoxide

The graph which represents the following reaction is: [1-Feb-2023 Shift 2]

Consider the following statements:(A) molecule has a trigonal planar structure.(B) Bond length of is shorter than (C) Isoelectronic molecules or ions have identical bond order(D) Dipole moment of HS i

Potassium dichromate acts as a strong oxidizing agent in acidic solution. During this process, the oxidation state changes from [25-Jan-2023 Shift 2]

Number of crystal systems from the following where body centred unit cell can be found, is..... Cubic, tetragonal, orthorhombic, hexagonal, rhombohedral, monoclinic, triclinic. [6-Apr-2023 shift 2]

Given below are two statement: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: electrons can participate in bonding to a far greater extent than electrons Reason R: o

Number of ambidentate ligands in a representative metal complex is [6-Apr-2023 shift 1]

Match items of column I and II Column I (Mixture of compounds) Column II (Separation Technique) A. i. Crystallization ii. Differential solvent extraction C. Kerosene/Naphthalene iii. Column chromatogr

The correct order of electronegativity for given elements is: [8-Apr-2023 shift 1]

Compound undergoes following sequence of reactions to give the Lactone . [24-Jan-2023 Shift 1]

Which of the following complex will show largest splitting of d-orbitals? [1-Feb-2023 Shift 1]

Find out the major products from the following reactions. [24-Jan-2023 Shift 2]

' 25 volume' hydrogen peroxide means [25-Jan-2023 Shift 1]

[31-Jan-2023 Shift 1]

Sum of -bonds present in peroxodisulphuric acid and pyrosulphuric acid is [24-Jan-2023 Shift 2]

Which one of the following elements will remain as liquid inside pure boiling water ? [6-Apr-2023 shift 2]

When a electric heater is immersed in a gas for in a constant volume container with adiabatic walls, the temperature of the gas rises by . The heat capacity of the given gas is _______ (Nearest intege

The rate constants of the above reaction at and are and respectively. The activation energy for the reaction is ________ (Nearest integer)(Given : In [31-Jan-2023 Shift 1]

The osmotic pressure of solutions of PVC in cyclohexanone at are plotted on the graph.The molar mass of PVC is _________ (Nearest integer)(Given : ) [25-Jan-2023 Shift 1]

For electron gain enthalpies of the elements denoted as , the incorrect option is : [1-Feb-2023 Shift 2]

In Dumas method for the estimation of , the sample is heated with copper oxide and the gas evolved is passed over: [31-Jan-2023 Shift 2]

Choose the correct representation of conductometric titration of benzoic acid vs sodium hydroxide. [24-Jan-2023 Shift 2]

A cubic solid is made up of two elements and . Atoms of are present on every alternate corner and one at the center of cube. is at of the total faces. The empirical formula of the compound is [25-Jan-

Total number of moles of precipitated on addition of excess of to one mole each of the following complexes , and is [25-Jan-2023 Shift 2]

Match List I with List II LIST I LIST II A of I. Weight B of II electrons C mole of III Weight D of IV Occupies volume at STPChoose the correct answer from the options given below: [10-Apr-2023 shift

Iron oxide , crystallises in a cubic lattice with a unit cell edge length of . If density of the in the crystal is , then the number of units present per unit cell is _______ (Nearest integer)Given :

Which of the Phosphorus oxoacid can create silver mirror from solution ? [24-Jan-2023 Shift 1]

What weight of glucose must be dissolved in of water to lower the vapour pressure by ?(Assume dilute solution is being formed)Given : Vapour pressure of pure water is at room temperature. Molar mass o

In the following reaction ' ' is [13-Apr-2023 shift 1]

Find out the major product from the following reaction. [25-Jan-2023 Shift 2]

Given below are two statements:Statement I : Boron is extremely hard indicating its high lattice energyStatement II : Boron has highest melting and boiling point compared to its other group members.In

What is the mass ratio of ethylene glycol , molar mass ) required for making of molal aqueous solution and of molar aqueous solution ? [25-Jan-2023 Shift 2]

Statement I :- Dipole moment is a vector quantity and by convention it is depicted by a small arrow with tail on the negative centre and head pointing towards the positive centre.Statement II :- The c

The number of given orbitals which have electron density along the axis is ________ [25-Jan-2023 Shift 2]

A solution is prepared by adding of " " to 1 mole of water. Mass percent of " " in the solution is [11-Apr-2023 shift 2]

During the reaction of permanganate with thiosulphate, the change in oxidation of manganese occurs by value of 3 . Identify which of the below medium will favour the reaction. [6-Apr-2023 shift 2]

Solid Lead nitrate is dissolved in 1 litre of water. The solution was found to boil at . When of is added to the resulting solution, it was observed that the solution froze at . The solutbility produc

The strength of 50 volume solution of hydrogen peroxide is ________ (Nearest integer).Given:Molar mass of is Molar volume of gas at . [30-Jan-2023 Shift 2]

Water decomposes at The percent of water decomposing at and 1 bar is ________ (Nearest integer).Equilibrium constant for the reaction is at [29-Jan-2023 Shift 1]

A mixture of 1 mole of and 1 mole of is taken in a 10 litre container and heated to . At equilibrium of water by mass reacts with carbon monoxide according to the equation : . The equilibrium constant

Which of the following expressions is correct in case of a unit cell (edge length 'a')? [15-Apr-2023 shift 1]

and are two substances undergoing radioactive decay in a container. The half life of is and that of is . If the initial concentration of B is 4 times that of and they both start decaying at the same t

Inert gases have positive electron gain enthalpy. Its correct order is [25-Jan-2023 Shift 1]

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A : A solution of the product obtained by heating a mole of glycine with a mole of chlori

paper acidified with dilute turns green when exposed to [24-Jan-2023 Shift 2]

The difference between electron gain enthalpies will be maximum between: [6-Apr-2023 shift 1]

is first order reaction. The initial pressure of the system was found to be which increased to after . The total pressure of the system after will be _____ Hg. (Nearest integer) [13-Apr-2023 shift 2]

new line and are diatomic molecules. If the bond enthalpies of and are in the ratio , then the bond enthalpy of is ________ . (Nearest integer) [13-Apr-2023 shift 1]

According to theory the bond orders for , and respectively, are [29-Jan-2023 Shift 2]

The product formed in the following multistep reaction is:

In the wet tests for detection of various cations by precipitation, cations are detected by obtaining precipitate of : [13-Apr-2023 shift 2]

An organic compound ' ' with empirical formula gives sooty flame on burning. Its reaction with bromine solution in low polarity solvent results in high yield of is [31-Jan-2023 Shift 1]

Which element is not present in Nessler's reagent ? [1-Feb-2023 Shift 2]

Which of the following statement(s) is/are correct?(A) The of solution is 8(B) The conjugate hase of is (C) increases with increase in temperature.(D) When a solution of a weak monoprotic acid is titr

The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with is [25-Jan-2023 Shift 1]

The density of a monobasic strong acid (Molar mass ) is . The volume of its solution required for the complete neutralization of of is ________ x (Nearest integer) [25-Jan-2023 Shift 1]

of a hydrocarbon (M.F. ) takes up of the gas measured at and . Ozonolysis of the same hydrocarbon yields . The number of double bond/s present in the hydrocarbon is ________. [29-Jan-2023 Shift 1]

When a hydrocarbon A undergoes combustion in the presence of air, it requires equivalents of oxygen and produces 3 equivalents of water. What is the molecular formula of ? [29-Jan-2023 Shift 2]

Major product ' ' formed in the following reaction is : [8-Apr-2023 shift 2]

of is produced on complete combustion of gaseous mixture of ethene and methane at and 1 atm. Heat evolved during the combustion process is _________ .Given : [25-Jan-2023 Shift 2]

Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is [25-Jan-2023 Shift 2]

For a good quality cement, the ratio of silica to alumina is found to be [15-Apr-2023 shift 1]

Match List I with List II. List-I Reaction List-II Reagents A Hoffmann Degradation I Conc. B Clemenson reduction II C Cannizaro reaction III D Reimer-Tiemann reaction IV [29-Jan-2023 Shift 1]

' ' formed in the above reaction is : [15-Apr-2023 shift 1]

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion Acan be subjected to Wolff-Kishner reduction to giveReason R:Wolff-Kishner reduction is u

A short peptide on complete hydrolysis produces 3 moles of glycine , two moles of leucine and two moles of valine (V) per mole of peptide. The number of peptide linkages in it are _______. [30-Jan-202

Find out the major products from the following reaction sequence. [29-Jan-2023 Shift 2]

Match List I with List II I - Bromopropane is reacted with reagents in List I to give product in List II LIST I-Reagent LIST II - Product A I. Nitrile B. (alc) II. Ester C. III. Alkene D. IV. Nitroalk

Following figure shows dependence of molar conductance of two electrolytes on concentration. is the limiting molar conductivity. The number of Incorrect statement(s) from the following is ________ (A)

Assume that the radius of the first Bohr orbit of hydrogen atom is . The radius of the third Bohr orbit of is ______ picometer. (Nearest Integer) [29-Jan-2023 Shift 2]

For independent process at 300 K. Process B 40 C 25 D 22 20 The number of non-spontaneous process from the following is____ [24-Jan-2023 Shift 1]

Given below are two statements, one is labelled as Assertion and the other is labelled as Reason Assertion A :- Butylated hydroxyl anisole when added to butter increases its shelf life.Reason R :- But

In the following given reaction ' ' is [24-Jan-2023 Shift 1]

Match List I with List II List I Name of reaction List II Reagent used A I. B Iodoform reaction II. C Etard reaction III. D IV. Choose the correct answer from the options given below: [6-Apr-2023 shif

In an ice crystal, each water molecule is hydrogen bonded to ________ neighbouring molecules. [6-Apr-2023 shift 2]

Evaluate the following statements for their correctness.(A) The elevation in boiling point temperature of water will be same for and urea.(B) Azeotropic mixtures boil without change in their compositi

Assume carbon burns according to following equation : When carbon is burnt in of oxygen, the volume of carbon monoxide produced is _______ at STP [nearest integer][Given : Assume as ideal gas, Mass of

The major product formed in the following reaction is: [8-Apr-2023 shift 1]

Some amount of dichloromethane is added to of chloroform to prepare solution of . The concentration of is ppm _______ (by mass).Given: Atomic mass: density of [30-Jan-2023 Shift 1]

Which of the following cannot be explained by crystal field theory? [24-Jan-2023 Shift 2]

At constant temperature, a gas is at pressure of . The pressure at which its volume decreases by is ________ . (Nearest integer) [10-Apr-2023 shift 1]

A bottle of soft drink has dissolved in it. Assuming behaves as an ideal gas, the volume of the dissolved at STP is _______ . (Nearest integer)Given: At STP, molar volume of an ideal gas is [30-Jan-20

The products formed in the above reaction are [13-Apr-2023 shift 1]

At , the standard reduction potential for electrode is .Given : Take The reduction potential at for the above couple is . The value of is ________. [13-Apr-2023 shift 2]

Molar mass of the hydrocarbon which on ozonolysis consumes one mole of per mole of and gives one mole each of ethanol and propanone is _______ (Molar mass of [8-Apr-2023 shift 1]

Which of the following compounds would give the following set of qualitative analysis ?(i) Fehling's Test : Positive(ii) fusion extract upon treatment with sodium nitroprusside gives a blood red colou

Match the List-I with List-II : Cations Group reaction (i) gas in presence of dilute (ii) in presence of (iii) in presence of (iv) in presence of [25-Jan-2023 Shift 1]

The product formed from the following multistep reaction is : [8-Apr-2023 shift 2]

During water-gas shift reaction [15-Apr-2023 shift 1]

A in the above reaction is: [12-Apr-2023 shift 1]

Choose the correct answer from the options given below: List I List II Elements Colour imparted to the flame A. K I. Brick Red B. Ca II. Violet C. Sr III. Apple Green D. Ba IV. Crimson Red Choose the

The naturally occurring amino acid that contains only one basic functional group in its chemical structure is : [13-Apr-2023 shift 2]

solution is isotonic with glucose solution. Percentage dissociation of is (Nearest integer) [11-Apr-2023 shift 1]

The number of given statements/s which is/are correct is ________ [8-Apr-2023 shift 1]

Match List I with List II. List I Isomeric pairs List II Type of isomers A. Propanamine and N-Methylethanamine I. Metamers B. Hexan-2-one andHexan-3-one II. Positional isomers C. Ethanamide andHydroxy

In Carius tube, an organic compound ' is treated with sodium peroxide to form a mineral acid ' .The solution of is added to ' to form a precipitate ' '.' ' is used for the quantitative estimation of a

The denticity of the ligand present in the Fehling's reagent is _______. Denticity [29-Jan-2023 Shift 2]

Electrons in a cathode ray tube have been emitted with a velocity of . The number of following statements which is/are true about the emitted radiation is _______.Given : .(A) The deBroglie wavelength

Match items of Row I with those of Row II.Row I :Row II : (i) -D-(-) Fructofuranose. (ii) -D-(-) Fructofuranose (iii) -D-(-) Glucopyranose. (iv) -D-(-) Glucopyranose Correct match is [25-Jan-2023 Shif

Consider the graph of Gibbs free energy vs Extent of reaction. The number of statement/s from the following which are true with respect to points (a), (b) and (c) is____A. Reaction is spontaneous at (

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : An aqueous solution of when for volumetric analysis, its concentration should b

The mismatched combinations areA. Chlorophyll - CoB. Water hardness - EDTAC. Photography D. Wilkinson catalyst - E. Chelating ligand - D-PenicillamineChoose the correct answer from the options given b

The set of correct statements is:(i) Manganese exhibits oxidation state in its oxide.(ii) Ruthenium and Osmium exhibit oxidation in their oxides.(iii) shows oxidation state which is oxidizing in natur

' ' formed in the following sequence of reaction is: [24-Jan-2023 Shift 1]

is added to of saturated solution of . The conductivity of this solution at is ______ . [Given : at [1-Feb-2023 Shift 2]

A molecule undergoes two independent first order reactions whose respective half lives are and . If both the reactions are occurring then the time taken for the consumption of the reactant is _______

Cobalt chloride when dissolved in water forms pink colored complex which has octahedral geometry. This solution on treating with cone forms deep blue complex, which has a geometry. and , respectively,

The number of electrons involved in the reduction of permanganate to manganese dioxide in acidic medium is ________. [30-Jan-2023 Shift 1]

In Chromyl chloride, the oxidation state of chromium is _______. [15-Apr-2023 shift 1]

Number of isomeric compounds with molecular formula which (i) do not dissolve in (ii) do not dissolve in . (iii) do not give orange precipitate with 2, 4 - DNP (iv) on hydrogenation give identical com

A litre of buffer solution contains mole of each of and . On the addition of mole of by dissolving gaseous , the of the solution is found to be ________ Nearest integer) Given : [25-Jan-2023 Shift 1]

When ion is treated with , a white precipitate, appears in solution. The solution is titrated with sodium thiosulphate, the compound is formed. and respectively are [31-Jan-2023 Shift 1]

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : Ketoses give Seliwanoff's test faster than Aldoses.Reason (R) : Ketoses underg

A compound is formed by two elements and . The element forms cubic close packed arrangement and those of element occupy one third of the tetrahedral voids. What is the formula of the compound? [6-Apr-

of a carbonate on treatment with excess produces of . The molar mass of is _______ . (Nearest integer) [13-Apr-2023 shift 2]

Choose the correct set of reagents for the following conversion trans [31-Jan-2023 Shift 1]

For complete combustion of ethane, The amount of heat produced as measured in bomb calorimeter is at . The minimum value of needed to reach equilibrium is _______ (Nearest integer)Given : [8-Apr-2023

Correct order of spin only magnetic moment of the following complex ions is:(Given At. No. Fe: 26, Co:27) [29-Jan-2023 Shift 2]

If 5 moles of is mixed with 2 moles of , the maximum number of moles of formed is .(Nearest integer) [6-Apr-2023 shift 1]

At , , ; , ; , . Based on above equilibria, the equilibrium constant of the reaction, is _______ (Nearest integer) [29-Jan-2023 Shift 2]

The correct order of spin only magnetic moments for the following complex ions is [8-Apr-2023 shift 1]

The structures of major products A, B and C in the following reaction are sequence. [1-Feb-2023 Shift 2]

All structures given below are of vitamin C. Most stable of them is : [1-Feb-2023 Shift 2]

is titrated with ferrous ammonium sulphate hexahydrate in presence of dilute . Number of water molecules produced for 2 molecules of is ________. [13-Apr-2023 shift 1]

In the reaction given below:The product ' ' is: [10-Apr-2023 shift 2]

The number of units, which are used to express concentration of solutions from the following is____Mass percent, Mole, Mole fraction, Molarity, ppm, Molality. [24-Jan-2023 Shift 2]

Given below are two statement :Statement I : In redox titration, the indicators used are sensitive to change in of the solution.Statement II : In acid-base titration, the indicators used are sensitive

Which transition in the hydrogen spectrum would have the same wavelength as the Balmer type transition from to of spectrum [31-Jan-2023 Shift 1]

In an oligopeptide named Alanylglycylphenyl alanyl isoleucine, the number of hybridised carbons is [12-Apr-2023 shift 1]

Three bulbs are filled with and as shown the picture. The bulbs are connected through pipes of zero volume. When the stopcocks are opened and the temperature is kept constant throughout, the pressure

A metal chloride contains of chlorine by weight . vapours of the metal chloride at STP weigh . The molecular formula of the metal chloride is (Given: Atomic mass of chlorine is ) [12-Apr-2023 shift 1]

Benzyl isocyanide can be obtained by :Choose the correct answer from the options given below : [30-Jan-2023 Shift 1]

4.5 moles each of hydrogen and iodine is heated in a sealed ten litre vessel. At equilibrium, 3 moles of were found. The equilibrium constant for is ________ [11-Apr-2023 shift 2]

Which of the following statements are correct?(A) The reduction potential for iron is greater than manganese(B) The higher oxidation states of first row d-block elements get stabilized by oxide ion.(C

The complex cation which has two isomers is : [1-Feb-2023 Shift 2]

In alkaline medium, the reduction of permanganate anion involves a gain of _______ electrons. [10-Apr-2023 shift 2]

If the formula of Borax is . , then _______. [13-Apr-2023 shift 2]

Number of cyclic tripeptides formed with 2 amino acids and is: [29-Jan-2023 Shift 1]

For reaction: at and 1 atm pressure. The for the same reaction is _______ . (Nearest integer)(Given ) [31-Jan-2023 Shift 1]

In the following halogenated organic compounds the one with maximum number of chlorine atoms in its structure is : [31-Jan-2023 Shift 2]

Given below are two statementsStatement I : According to Bohr's model of hydrogen atom, the angular momentum of an electron in a given stationary state is quantised.Statement II : The concept of elect

The total number of isoelectronic species from the given set is ________. [15-Apr-2023 shift 1]

The shortest wavelength of hydrogen atom in Lyman series is . The longest wavelength in Balmer series of is [29-Jan-2023 Shift 1]

Decreasing order of reactivity towards electrophilic substitution for the following compounds is : [15-Apr-2023 shift 1]

In potassium ferrocyanide, there are _______ pairs of electrons in the set of orbitals. [10-Apr-2023 shift 1]

A trisubstituted compound ' ', gives neutral test positive. Treatment of compound ' ' with and gives , with hydroiodic acid gives methyl iodide and with hot conc. gives a compound . Compound 'A' also

Following chromatogram was developed by adsorption of compound ' ' on a TLC glass plate. Retardation factor of the compound ' ' is . [29-Jan-2023 Shift 1]

For a reversible reaction , the . The activation energy of the uncatalysed forward reaction is . When the reaction is catalysed keeping the reactant concentration same, the rate of the catalyzed forwa

The correct order of values for the following compounds is: [30-Jan-2023 Shift 2]

The incorrect statement regarding the reaction given below is [12-Apr-2023 shift 1]

Which of the following options are correct for the reaction A. Redox reactionB. Displacement reactionC. Decomposition reactionD. Combination reactionChoose the correct answer from the options given be

The logarithm of equilibrium constant for the reaction is _______ (Nearest integer). Given: . , . , [31-Jan-2023 Shift 1]

2-Methyl propyl bromide reacts with and gives ' ' whereas on reaction with it gives ' '. The mechanism followed in these reactions and the products ' ' and ' ' respectively are : [13-Apr-2023 shift 1]

An organic compound undergoes first order decomposition. If the time taken for the decomposition is , then the time required for decomposition will be is ______ S. (Nearest integer).Given : [30-Jan-20

Match List I with List II List I Complex List I Colour A. I. Brown B. II. White C. III. Yellow D. IV. blueChoose the correct answer from the options given below: [11-Apr-2023 shift 2]

Following tetrapeptide can be represented as(F, L, D, Y, I, Q, P are one letter codes for amino acids) [29-Jan-2023 Shift 2]

The most stable carbocation for the following is: [30-Jan-2023 Shift 2]

If is replaced by in the complex , which of the following properties are expected to get changed?A. GeometryB. Geometrical isomerismC. Optical isomerismD. Magnetic properties [11-Apr-2023 shift 2]

Millimoles of calcium hydroxyide required to produce of the aqueous solution of is . The value of is _______(Nearest integer).Assume complete dissociation. [29-Jan-2023 Shift 1]

Given (A) (B) (graphite) The for the reaction is [10-Apr-2023 shift 1]

Testosterone, which is a steroidal hormone, has the following structure.The total number of asymmetric carbon atom in testosterone is ________. [1-Feb-2023 Shift 2]

Group-13 elements react with in amorphous form to form oxides of type ( element). Which among the following is the most basic oxide? [6-Apr-2023 shift 2]

Consider the following pairs of solution which will be isotonic at the same temperature. The number of pairs of solutions is/are..........A. aq. and aq. UreaB. aq. and aq. C. aq. and aq. D. aq. and aq

Following figure shows spectrum of an ideal black body at four different temperatures. The number of correct statement/s from the following is___ A. B. The black body consists of particles performing

at room temperature is a: [13-Apr-2023 shift 1]

The vapour pressure of aqueous solution of glucose is _______ at .[Given : The density of , aqueous solutions of glucose is and vapour pressure of pure water is .](Molar mass of glucose is ) [15-Apr-2

The major product for the following reaction is : [13-Apr-2023 shift 2]

In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of Ti : 22, V: [8-Apr-2023 shift 1]

An indicator ' ' is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion with at room temp. The indicator ' ' forms blue colored complex with comp

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A : absorbs at lower wavelength of light with respect to Reason R : It is because the wav

A compound ' ' when treated with phthalic anhydride in presence of concentrated yields ' ' ' ' is used as an acid/base indicator. ' ' and ' ' are respectively: [8-Apr-2023 shift 2]

of is mixed with of . The of the mixture is _______ . (Nearest integer)[Given [30-Jan-2023 Shift 1]

The major product ' ' formed in the given reaction is: [10-Apr-2023 shift 2]

The dissociation constant of acetic is . When of solution is mixed with of solution, the of the resultant solution is found to be equal to 5 . The value of is___ [24-Jan-2023 Shift 1]

is . The value of is _______ [10-Apr-2023 shift 1]

The ratio on completion of the above reaction is [11-Apr-2023 shift 1]

The pair from the following pairs having both compounds with net non-zero dipole moment is [10-Apr-2023 shift 1]

A solution of sugar is obtained by mixing of its solution and of its solution (both by mass). The mass percentage of the resulting sugar solution is _______ (Nearest integer) [11-Apr-2023 shift 1]

Match List I with List II:Choose the correct answer from the options given below: [8-Apr-2023 shift 1]

Which of the following elements have half-filled f-orbitals in their ground state?(Given : atomic number A. B. C. D. GdE. Choose the correct answer from the options given below: [31-Jan-2023 Shift 2]

Which one amongst the following are good oxidizing agents?A. B. C. D. Choose the most appropriate answer from the options given below: [24-Jan-2023 Shift 2]

Among the following, the number of compounds which will give positive iodoform reaction is___(a) 1-Phenylbutan-2-one(b) 2-Methylbutan-2-ol(c) 3-Methylbutan-2-ol(d) 1-Phenylethanol(e) 3,3-dimethylbutan

Formulae for Nessler's reagent is: [30-Jan-2023 Shift 2]

The oxidation sate of phosphorus in hypophosphoric acid is + ________.. [31-Jan-2023 Shift 1]

The number of molecules which gives haloform test among the following molecules is [31-Jan-2023 Shift 2]

The correct group of halide ions which can be oxidized by oxygen in acidic medium is [13-Apr-2023 shift 2]

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)Assertion (A) : The first ionization enthalpy of series elements is more than that of group 2 m

The correct order of bond enthalpy is : [1-Feb-2023 Shift 2]

How many of the following metal ions have similar value of spin only magnetic moment in gaseous state?________ (Given: Atomic number: V, ; [25-Jan-2023 Shift 1]

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.Assertion A : Butan-1-ol has higher boiling point than ethoxyethane.Reason R : Extensive hydrogen b

The descending order of acidity for the following carboxylic acid is -A. B. C. D. Choose the correct answer from the options given below: [8-Apr-2023 shift 2]

Sulphur containing amino acids from the following are:(a) isoleucine(b) cysteine(c) lysine(d) methionine(e) glutamic acid [8-Apr-2023 shift 1]

On complete combustion, of an organic compound gave of .The of carbon in the organic compound is _______ (Nearest integer) [31-Jan-2023 Shift 1]

One mole of an ideal gas at is in a vessel of thermally conducting walls, which are in contact with the surroundings. It undergoes isothermal reversible expansion from to against a constant pressure o

Match List I with List II List I Enzymatic reaction List II Enzyme A Sucrose → Glucose andFructose I. Zymase B Glucose → ethyl alcohol and II. Pepsin C Starch Maltose III. Invertase D Proteins Amino a

Let be a differentiable function such that with and . Consider the following two statements : (A) : , for all (B) : , for all Then, [11-Apr-2023 shift 1]

Let the solution curve , of the differential equation (cos satisfy . If , where and are co-prime, then is equal to [8-Apr-2023 shift 2]

The number of points where the curve cuts -axis, is equal to _______ [11-Apr-2023 shift 2]

Let the tangent at any point on a curve passing through the points and , intersect positive axis and -axis at the points and respectively. If and is the solution of the differential equation , then th

Let and . If denotes the number of elements in then : [1-Feb-2023 Shift 2]

The number of permutations of the digits without repetition, which neither contain the string 153 nor the string 2467 , is _______. [10-Apr-2023 shift 1]

Let , where for all and . Let a be the sum of all diagonal elements of and . Then is equal to : [6-Apr-2023 shift 1]

If be a continuous function satisfying , then the value of is [11-Apr-2023 shift 2]

The number of real solutions of the equation , is [24-Jan-2023 Shift 2]

Let the set .Then is equal to___ [29-Jan-2024 Shift 2]

Let be a solution of the differential . If , then is equal to _______. [6-Apr-2023 shift 1]

If and then the value of is equa to ________. [1-Feb-2023 Shift 1]

If [t denotes the greatest integer , then the value of of is : [30-Jan-2023 Shift 1]

Let and be the greatest integer . Then the number of points, where the function is not differentiable, is [6-Apr-2023 shift 1]

Let be the area of the region Then is equal to [30-Jan-2023 Shift 2]

If , then the least value of is: [10-Apr-2023 shift 1]

For some , let and . If then (fog) (b) is equal to ________. [25-Jan-2023 Shift 1]

Let the probability of getting head for a biased coin be . It is tossed repeatedly until a head appears. Let be the number of tosses required. If the probability that the equation has no real root is

Let the mean of the data 1 3 5 7 9 Frequency (f) 4 24 28 8be 5 . If and are respectively the mean deviation about the mean and the variance of the data, then is equal to _____. [13-Apr-2023 shift 1]

Let the line intersect the plane at the point P. Let the point be the foot of perpendicular from the point on the line . If is the area of triangle . then is equal to ________. [31-Jan-2023 Shift 1]

The number of triplets , where are distinct non negative integers satisfying , is : [11-Apr-2023 shift 1]

The number of five digit numbers, greater then 40000 and divisible by 5 , which can be formed using the digits and 9 without repetition, is equal to [12-Apr-2023 shift 1]

Let be a function defined by , and . Consider two statements(I) is an increasing function in (II) is one-one in Then, [25-Jan-2023 Shift 1]

Let be a function such that . Then is equal to : [1-Feb-2023 Shift 2]

Let and , Then and are roots of the equation. [24-Jan-2023 Shift 1]

Let sets and have 5 elements each. Let mean of the elements in sets and be 5 and 8 respectively and the variance of the elements in sets and be 12 and 20 respectively. A new set of 10 elements is form

Let a line pass through the point and be parallel to the line . If the distance of from the point is , then is equal to _______. [30-Jan-2023 Shift 2]

An organization awarded 48 medals in event ' ', 25 in event ' ' and 18 in event ' '. If these medals went to total 60 men and only five men got medals in all the three events, then, how many received

For , the number of solutions of the equation is equal to ________. [13-Apr-2023 shift 2]

Among(S1): (S2): [13-Apr-2023 shift 1]

If then equal to [24-Jan-2023 Shift 2]

The number of integral values of , for which one root of the equation lies in the interval and its other root lies in the interval , is: [1-Feb-2023 Shift 2]

Let be the maximum integral value of in for which the roots of the equation are rational. Then the area of the region is [30-Jan-2023 Shift 2]

is equal to [6-Apr-2023 shift 2]

Let the line passing through the point and meet the plane at the point . Then the distance of the point from the plane measured parallel to the line is equal to [11-Apr-2023 shift 2]

Let be a function satisfying . Then is equal to : [6-Apr-2023 shift 2]

The value of the integral is : [29-Jan-2023 Shift 2]

For the system of linear equations which of the following is NOT correct ? [10-Apr-2023 shift 1]

The slope of tangent at any point on a curve is . If , then a value of is: [10-Apr-2023 shift 1]

If are two values of such that the angle between the planes and is , then the square of the length of perpendicular from the point to the plane is _______. [30-Jan-2023 Shift 1]

The area enclosed by the closed curve given by the differential equation is .Let and be the points of intersection of the curve and the -axis. If normals at and on the curve intersect -axis at points

The sum of all the four-digit numbers that can be formed using all the digits is equal to ________. [10-Apr-2023 shift 2]

If the set is equal to the interval , then is equal to [15-Apr-2023 shift 1]

Let .If , then is equal to [25-Jan-2023 Shift 1]

The shortest distance between the lines and is [25-Jan-2023 Shift 2]

If the area of the region is equal to , then the natural number is equal to ________. [6-Apr-2023 shift 1]

The shortest distance between the lines and is [8-Apr-2023 shift 1]

Let the function be defined as where denotes the greatest integer less than or equal to . Then the value of the integral is [11-Apr-2023 shift 2]

Let and be a relation on the set defined by . Then the number of elements in is ________ [15-Apr-2023 shift 1]

If the number of words, with or without meaning, which can be made using all the letters of the word MATHEMATICS in which and do not come together, is , is equal to [8-Apr-2023 shift 2]

Let the equation of the plane P containing the line be and the distance of the plane from the point be c. Then is equal to ________. [29-Jan-2023 Shift 1]

Let and be the real valued functions defined on as , and , where is the greatest integer . Then the value of is [30-Jan-2023 Shift 2]

If is the solution curve of the differential equation , , then is equal to [1-Feb-2023 Shift 1]

If the foot of the perpendicular drawn from , 7) to the line passing through the point and parallel to the planes and is , then is equal to [24-Jan-2023 Shift 2]

The shortest distance between the lines and is [1-Feb-2023 Shift 1]

Let denote the greatest integer . Then is equal to _______. [13-Apr-2023 shift 2]

For , let . If , then is equal to _______. [11-Apr-2023 shift 1]

Let be the mean and be the standard deviation of the distribution 0 1 2 3 4 5 2k where . If denotes the greatest integer , then is equal to [10-Apr-2023 shift 2]

If all the six digit numbers with are arranged in the increasing order, then the sum of the digits in the number is _______. [29-Jan-2023 Shift 1]

If are the roots of the equation , and , then is equal to [8-Apr-2023 shift 2]

Let be the point obtained by the rotation of about the origin through a right angle in the anticlockwise direction, and be the point obtained by the rotation of about the origin through a right angle

The area of the region is: [13-Apr-2023 shift 2]

In a binomial distribution , the sum and product of the mean & variance are 5 and 6 respectively, then find is equal to :- [1-Feb-2023 Shift 1]

Let be the roots of the equation and .Then is equal to _______. [29-Jan-2023 Shift 2]

The mean and variance of 7 observations are 8 and 16 respectively. If one observation 14 is omitted a and are respectively mean and variance of remaining 6 observation, then is equal to _______. [30-J

The number of 4-letter words, with or without meaning, each consisting of 2 vowels and 2 consonants, which can be formed from the letters of the word UNIVERSE without repetition is _______ : [6-Apr-20

Let and be the relation defined on A such that is odd positive integer or . The minimum number of elements that must be aadded to the relation , so that it is a symmetric relation, is equal to ______.

Fifteen football players of a club-team are given 15 T-shirts with their names written on the backside. If the players pick up the -shirts randomly, then the probability that at least 3 players pick t

Let be a matrix such that . Then is equal to [24-Jan-2023 Shift 2]

If the mean of the frequency distribution Class: 0-10 10-20 20-30 30-40 40-50 Frequency: 2 3 x 5 4is 28 , then its variance is _______. [10-Apr-2023 shift 1]

A bag contains 6 balls. Two balls are drawn from it at random and both are found to be black. The probability that the bag contains at least 5 black balls is [31-Jan-2023 Shift 1]

The complex number is equal to: [31-Jan-2023 Shift 2]

The area bounded by the curves and is equal to : [6-Apr-2023 shift 2]

The number of words, with or without meaning, that can be formed using all the letters of the word ASSASSINATION so that the vowels occur together, is ________. [1-Feb-2023 Shift 1]

Let be a function such that for all . If and , then the value of is [24-Jan-2023 Shift 2]

Let . The number of nonempty subsets of that have the sum of all elements a multiple of 3 , is _______. [25-Jan-2023 Shift 1]

Let and . Total number of onto functions such that , is equal to _______. [8-Apr-2023 shift 2]

The domain of the function is (where denotes the greatest integer less than or equal to ) [11-Apr-2023 shift 2]

Let be the solution of the differential equation 1 with . Then is equal to [15-Apr-2023 shift 1]

If the system of equations has infinitely many solutions, then is equal to [13-Apr-2023 shift 2]

Let be the solution of the differential equation . If , then is equal to [29-Jan-2023 Shift 2]

One vertex of a rectangular parallelepiped is at the origin and the lengths of its edges along and axes are 3,4 and 5 units respectively. Let be the vertex . Then the shortest distance between the dia

A coin is biased so that the head is 3 times as likely to occur as tail. This coin is tossed until a head or three tails occur. If denotes the number of tosses of the coin, then the mean of is- [13-Ap

The point of intersection of the plane and the line joining the points and divides the line segment internally in the ratio . If are coprime) are the direction ratios of the perpendicular from the poi

The mean and standard deviation of 10 observations are 20 and 8 respectively. Later on, it was observed that one observation was recorded as 50 instead of 40 . Then the correct variance is [15-Apr-202

If the value of real number for which and have a common real roots is then is equal to ________. [30-Jan-2023 Shift 2]

Let denote the greatest integer . Consider the function . Then the value of the integral is: [29-Jan-2023 Shift 1]

The minimum value of the function is is [25-Jan-2023 Shift 1]

Two dice are thrown independently. Let A be the event that the number appeared on the die is less than the number appeared on the die, be the event that the number appeared on the die is even and that

Let be a solution of the differential equation Where, and . Then [25-Jan-2023 Shift 2]

Let be the circle in the complex plane with centre and radius . Let and the complex number be outside the circle such that . If and are collinear, then the smaller value of is equal to [12-Apr-2023 sh

If an unbiased die, marked with on its faces, is through five times, then the probability that the product of the outcomes is positive, is : [30-Jan-2023 Shift 1]

The number of real roots of the equation , is: [31-Jan-2023 Shift 1]

The area of the region is. [8-Apr-2023 shift 1]

A pair of dice is thrown 5 times. For each throw, a total of 5 is considered a success. If probability of at least 4 successes is , then is equal to : [6-Apr-2023 shift 1]

Let be the largest interval for which holds. If and , then is equal to : [31-Jan-2023 Shift 2]

If are the roots of the equation, and , then [27-Jan-2024 Shift 2]

The integral is equal to [8-Apr-2023 shift 2]

For , let and . The among the two statements:(S1) : If , then the set A contains all the real numbers(S2) : If , then the set contains all the real numbers, [11-Apr-2023 shift 2]

If , then is equal to: [31-Jan-2023 Shift 2]

If the solution curve of the differential equation , passes through the points and , then is equal to : [6-Apr-2023 shift 2]

If constant, then is equal to _______. [30-Jan-2023 Shift 2]

Let be the set of all values of for which the mean deviation about the mean of 100 consecutive positive integers is 25 . Then is [30-Jan-2023 Shift 2]

Let be the values of for which the points and are at equal distance from the plane . If , then the distance of the point from the line is ________. [8-Apr-2023 shift 1]

If and are two non-zero matrics such that , then [24-Jan-2023 Shift 1]

Let be the area of the region . Then is equal to [29-Jan-2023 Shift 1]

The total number of three-digit numbers, divisible by 3 , which can be formed using the digits , if repetition of digits is allowed, is [15-Apr-2023 shift 1]

For the differentiable function , let , then is equal to [13-Apr-2023 shift 1]

Let and be distinct integers where and . Then, the number of ways of choosing and , such that is divisible by 5 , is _______. [25-Jan-2023 Shift 1]

If the variance of the frequency distribution 2 3 4 5 6 7 8 Frequency 3 6 16 α 9 5 6 [31-Jan-2023 Shift 1]

The foot of perpendicular from the origin to a plane which meets the co-ordinate axes at the points is . If the volume of the tetrahedron is , then which of the following points is NOT on P? [31-Jan-2

The number of 3 digit numbers, that are divisible by either 3 or 4 but not divisible by 48 , is [29-Jan-2023 Shift 2]

The number of the relations, on the set containing and , which are reflexive and transitive but not symmetric, is ________. [12-Apr-2023 shift 1]

Let the plane meet the co-ordinate axes at the points A, B, C. If the orthocenter of the triangle is , then is equal to _______. [12-Apr-2023 shift 1]

Let denote the greatest integer function and . Let be the number of points in , where is not continuous and be the number of points in , where is not differentiable. Then is equal to [15-Apr-2023 shif

Let the line L pass through the point , intersect the line and be parallel to the plane . Then the distance of the point from the line is : [6-Apr-2023 shift 2]

A triangle is formed by - axis, - axis and the line . Then the number of points , b)which lie strictly inside the triangle, where a is an integer and is a multiple of , is ________. [25-Jan-2023 Shift

Let for . If , then is equal to [13-Apr-2023 shift 2]

Let be the point of intersection of the line and the plane . If the distance of the point from the plane is , then and are the roots of the equation : [10-Apr-2023 shift 1]

For the system of equations , which one of the following is NOT true : [6-Apr-2023 shift 2]

The foot of perpendicular of the point on the line is . Then. Which of the following is NOT correct? [25-Jan-2023 Shift 2]

If the shortest distance between the line joining the points and , and the line is , then is equal to _______. [25-Jan-2023 Shift 2]

Number of 4-digit numbers that are less than or equal to 2800 and either divisible by 3 or by 11 , is equal to ________. [31-Jan-2023 Shift 1]

A boy needs to select five courses from 12 available courses, out of which 5 courses are language courses. If he can choose at most two language courses, then the number of ways he can choose five cou

If the system of equations has infinitely many solutions, then the ordered pair is equal to [24-Jan-2023 Shift 2]

Let . If , then is equal to [12-Apr-2023 shift 1]

Let Then at is equal to [25-Jan-2023 Shift 1]

For , if , where and is constant of integration, then is equal to [10-Apr-2023 shift 2]

If , then at is equal to: [6-Apr-2023 shift 1]

= [13-Apr-2023 shift 1]

The number of square matrices of order 5 with entries from the set , such that the sum of all the elements in each row is 1 and the sum of all the elements in each column is also 1 , is [24-Jan-2023 S

The relation is: [24-Jan-2023 Shift 1]

Let be the solution of the differential equation , Then is equal to [24-Jan-2023 Shift 1]

The set of all for which the equation has exactly one real root, is [13-Apr-2023 shift 1]

is equal to _______. [30-Jan-2023 Shift 1]

The distance of the point from the plane measured parallel to the line is [24-Jan-2023 Shift 1]

If a plane passes through the points , and is parallel to the line , then the value of is [30-Jan-2023 Shift 2]

The number of 9 digit numbers, that can be formed using all the digits of the number 123412341 so that the even digits occupy only even places, is__ [24-Jan-2023 Shift 1]

The value of the integral is equal to [29-Jan-2023 Shift 2]

The number of symmetric matrices of order 3 , with all the entries from the set , is [13-Apr-2023 shift 1]

The line, that is coplanar to the line , is [13-Apr-2023 shift 2]

Let be the roots of the equation , Then is equal to [13-Apr-2023 shift 2]

The number of numbers, strictly between 5000 and 10000 can be formed using the digits without repetition, is [25-Jan-2023 Shift 2]

If the system of linear equations has infinitely many solutions, then is equal to: [11-Apr-2023 shift 2]

If , then is equal to ______. [12-Apr-2023 shift 1]

For the system of linear equations which of the following is NOT true? [31-Jan-2023 Shift 1]

If the system of equations has infinitely many solutions, then is equal to : [6-Apr-2023 shift 1]

Let and . The number of elements in the relation A: is ______. [6-Apr-2023 shift 1]

Let be a relation defined on as a b is is a multiple of . Then is [29-Jan-2023 Shift 2]

Let denote the greatest integer . The dx is equal to [8-Apr-2023 shift 1]

Let . Then is equal to _________ [13-Apr-2023 shift 2]

Let . Then the number of possible functions such that for every with is equal to _______. [30-Jan-2023 Shift 2]

If the lines and intersect, then the magnitude of the minimum value of is _______. [6-Apr-2023 shift 2]

Let be the domain of the function . If the range of the function defined by is the greatest integer function , is , then is equal to [12-Apr-2023 shift 1]

of the population are smokers. A smoker has 27 times more chances to develop lung cancer then a non-smoker. A person is diagnosed with lung cancer and the probability that this person is a smoker is .

If the domain of the function is , then is equal to [15-Apr-2023 shift 1]

Let is a real number . Then which of the following is NOT correct? [10-Apr-2023 shift 2]

The absolute minimum value, of the function , where denotes the greatest integer function, in the interval , is : [31-Jan-2023 Shift 2]

Let the quadratic curve passing through the point and touching the line at be . Then the -intercept of the normal to the curve at the point in the first quadrant is ______. [10-Apr-2023 shift 2]

Let and . Then the number of elements in the relation divides and divides is [10-Apr-2023 shift 2]

The total number of 4-digit numbers whose greatest common divisor with 54 is 2 , is ______. [29-Jan-2023 Shift 2]

Area of the region is : [11-Apr-2023 shift 1]

The equation has: [31-Jan-2023 Shift 2]

Let time image of the point in the plane passing through the points and be . Then is equal to [10-Apr-2023 shift 2]

Let be the event that the absolute difference between two randomly choosen real numbers in the sample space is less than or equal to a If , then is equal to _______. [31-Jan-2023 Shift 2]

Let Then, at , [31-Jan-2023 Shift 1]

Let . Then the sum of the diagonal elements of the matrix is equal to: [31-Jan-2023 Shift 1]

The number of points, where the curve crosses the -axis is _______ : [6-Apr-2023 shift 2]

Let be the roots of the quadratic equation . Then is equal to [12-Apr-2023 shift 1]

If the mean and variance of the frequency distribution. 2 4 6 8 10 12 14 16 4 4 α 15 8 β 4 5are 9 and 15.08 respectively, then the value of is ________ : [6-Apr-2023 shift 2]

Let , where and denotes the greatest integer less than or equal to . Then, is : [11-Apr-2023 shift 1]

Let be the sample space associated to a random experiment. Let .Let and . Then is equal to [29-Jan-2023 Shift 2]

If where and are coprime then is equal to ________. [1-Feb-2023 Shift 1]

If the letters of the word MATHS are permuted and all possible words so formed are arranged as in a dictionary with serial number, then the serial number of the word THAMS is [11-Apr-2023 shift 2]

The value of is [24-Jan-2023 Shift 1]

A fair faces die is rolled repeatedly until a number less than appears. If the mean of the number of tosses required is , then is equal to _______. [12-Apr-2023 shift 1]

Let the image of the point in the plane be . If the coordinates of the point are , . then the square of the area of the triangle is _______. [6-Apr-2023 shift 1]

Let and . Let be a relation defined on such that )): and . Then the number of elements in the set is [11-Apr-2023 shift 2]

Let and Then is equal to _______. [29-Jan-2023 Shift 2]

A bag contains six balls of different colours. Two balls are drawn in succession with replacement. The probability that both the balls are of the same colour is p. Next four balls are drawn in success

is equal to :- [1-Feb-2023 Shift 1]

Let be the plane passing through the line and the point . If the image of the point in the plane is then is equal to [8-Apr-2023 shift 2]

If the sum of all the solutions of , is , then is equal to _______. [25-Jan-2023 Shift 1]

The value of is equal to [31-Jan-2023 Shift 1]

The plane, passing through the points and and parallel to the line passing through and , also passes through the point [13-Apr-2023 shift 2]

If , then is equal to ______. [1-Feb-2023 Shift 2]

If the probability that the random variable takes values is given by , where is a constant, then is equal to [8-Apr-2023 shift 2]

The number of real roots of the equation , is [15-Apr-2023 shift 1]

Let denote the greatest integer function. If , then is equal to _______. [8-Apr-2023 shift 2]

Let denote the power set of . Define the relations and on as if and if . Then : [1-Feb-2023 Shift 2]

The value of is____ [24-Jan-2023 Shift 1]

Let the mean and variance of 12 observations be and 4 respectively. Later on, it was observed that two observations were considered as 9 and 10 instead of 7 and 14 respectively. If the correct varianc

Consider the lines and given by A line having direction ratios , intersects and at the points and respectively. Then the length of line segment PQ is [25-Jan-2023 Shift 1]

Let . The number of matrices A such that the sum of all entries is a prime number is _______. [31-Jan-2023 Shift 2]

Let be the solution of the differential equation . If , then is equal to [11-Apr-2023 shift 2]

Let a differentiable function satisfy . Then is equal to: [31-Jan-2023 Shift 1]

If is the greatest term in the sequence , then a is equal to ______. [8-Apr-2023 shift 1]

Let the system of linear equations have infinitely many solutions. Then the system [30-Jan-2023 Shift 1]

Let be a symmetric matrix such that and . If the sum of the diagonal elements of is s, then is equal to ________. [29-Jan-2023 Shift 2]

If is a real matrix such that , where , then [30-Jan-2023 Shift 2]

For all on the curve , let the locus of the point be the curve . Then [31-Jan-2023 Shift 1]

Let and be the numbers of real roots of the quadratic equations and respectively, where denotes the greatest integer . Then is equal to [8-Apr-2023 shift 2]

Let and Then is equal to [25-Jan-2023 Shift 1]

If is the area in the first quadrant enclosed by the curve , the tangent to at the point and the line , then the value of is ________. [11-Apr-2023 shift 2]

If the equation of the plane passing through the line of intersection of the planes and parallel to the line is , then is equal to : [6-Apr-2023 shift 1]

Let two vertices of a triangle be and , and its centroid be . If the image of the third vertex in the plane is , then is equal to : [10-Apr-2023 shift 1]

Let the area enclosed by the lines and the curve where denotes the greatest integer , be . Then the value of is _______. [8-Apr-2023 shift 2]

The area enclosed by the curves and is : [24-Jan-2023 Shift 1]

The minimum number of elements that must be added to the relation on the set so that it becomes symmetric and transitive is: [30-Jan-2023 Shift 1]

The number of 3 -digit numbers, that are divisible by either 2 or 3 but not divisible by 7 is _______. [1-Feb-2023 Shift 1]

The equation , where denotes the greatest integer function, has: [24-Jan-2023 Shift 1]

The range of is [13-Apr-2023 shift 2]

Let and be twice differentiable functions on such that Then which of the following is NOT true? [29-Jan-2023 Shift 2]

Let . Then is equal to [8-Apr-2023 shift 1]

The random variable follows binomial distribution , for which the difference of the mean and the variance is 1 . If , then is equal to [13-Apr-2023 shift 2]

If the function is continuous at , then is equal to [25-Jan-2023 Shift 2]

If , then is equal to [31-Jan-2023 Shift 1]

If the equation of the plane passing through the point and perpendicular to the line is , then is equal to _______. [30-Jan-2023 Shift 1]

The domain of is [29-Jan-2023 Shift 1]

If and are the roots of the equation , then the value of is equal to ________. [11-Apr-2023 shift 1]

is equal to [24-Jan-2023 Shift 2]

Let the plane P: be rotated by an angle about its line of intersection with the plane . If is the distance of the point from the new position of the plane , then is equal to [12-Apr-2023 shift 1]

If the functions and have a common extreme point, then is equal to [30-Jan-2023 Shift 2]

Let the image of the point in the plane be . If the distance of the point , , from is 13 , then is equal to ________. [13-Apr-2023 shift 1]

is equal to [25-Jan-2023 Shift 2]

If , then is equal to _______. [13-Apr-2023 shift 1]

Let the positive numbers and in a G.P. Let their mean and variance be and respectively, where and are co-prime. If the mean of their reciprocal is and , then is equal to ______. [12-Apr-2023 shift 1]

The number of ways of selecting two numbers a and b, and such that 2 is the remainder when is divided by 23 is [30-Jan-2023 Shift 2]

Let the plane P pass through the intersection of the planes and , and be perpendicular to the plane . If is the distance of from the point , then is equal to : [1-Feb-2023 Shift 2]

The value of the integral is: [1-Feb-2023 Shift 2]

If the lines and intersects at the point , then the distance of the point from the plane is : [29-Jan-2023 Shift 2]

Let be the solution of the differential equation . Then is equal to [29-Jan-2023 Shift 1]

Let a curve pass through the points and . If the tangent at any point to the given curve cuts the -axis at the points such that bc , then is equal to _______ : [6-Apr-2023 shift 2]

The distance of the point from the plane passing through the points and is : [24-Jan-2023 Shift 1]

The solution of the differential equation [30-Jan-2023 Shift 2]

If the domain of the function is , then is equal to ________. [10-Apr-2023 shift 2]

The mean and standard deviation of the marks of 10 students were found to be 50 and 12 respectively, Later, it was observed that two marks 20 and 25 were wrongly read as 45 and 50 respectively. Then t

Let the mean and standard deviation of marks of class A of 100 students be respectively 40 and , and the mean and standard deviation of marks of class B of students be respectively 55 and . If the mea

If , where and are coprime natural numbers, then is equal to ________. [25-Jan-2023 Shift 2]

If and , then is equal to : [10-Apr-2023 shift 1]

Let and let the equation be . Then the largest element in the set is an integer solution of is [24-Jan-2023 Shift 1]

Let be two real numbers such that . If the complex number is of unit modulus and lies on the circle , then a possible value of , where is greatest integer function, is : [1-Feb-2023 Shift 2]

There rotten apples are mixed accidently with seven good apples and four apples are drawn one by one without replacement. Let the random variable denote the number of rotten apples. If and represent m

Let and . Let .Then the integral is equal to [31-Jan-2023 Shift 1]

Some couples participated in a mixed doubles badminton tournament. If the number of matches played, so that no couple in a match, is 840 , then the total numbers of persons, who participated in the to

The area of the region given by is : [1-Feb-2023 Shift 2]

If the area of the region bounded by the curves is , then is equal to [24-Jan-2023 Shift 2]

Let , be a function which satisfies . Then is equal to [29-Jan-2023 Shift 1]

If the area of the region is , then is equal to ______. [10-Apr-2023 shift 2]

Let be matrices such that is symmetric and B and are skew-symmetric.Consider the statements is symmetric(S2) is symmetricThen. [25-Jan-2023 Shift 2]

Let denote the number that turns up when a fair die is rolled. If the probability that the system of equations has unique solution is , then the sum of value of and all possible values of is [24-Jan-2

The value of is [1-Feb-2023 Shift 1]

Let denote the sum of the numbers obtained when two dice are rolled. If the probability that ! is , where and are coprime, then equal to : [10-Apr-2023 shift 1]

If , then : [1-Feb-2023 Shift 2]

Let . be consecutive natural numbers. Then is equal to [30-Jan-2023 Shift 2]

Let the area of the region be A. Then is equal to ______. [31-Jan-2023 Shift 2]

is equal to [30-Jan-2023 Shift 2]

Let and , . Then [1-Feb-2023 Shift 1]

Let be a matrix such that . If the determinant of the matrix . is , then is equal to ______. [31-Jan-2023 Shift 2]

Let ; Then at [24-Jan-2023 Shift 1]

Shortest distance between the lines and is [29-Jan-2023 Shift 2]

Let . Let be the circle of radius 1 in the first quadrant touching the line and the -axis. If the curve intersects at and , then is equal to _______. [13-Apr-2023 shift 1]

The sum of all the roots of the equation is : [6-Apr-2023 shift 1]

The mean and variance of 5 observations are 5 and 8 respectively. If 3 observations are , then the sum of cubes of the remaining two observations is [1-Feb-2023 Shift 1]

If for , then and are the roots of the equation [8-Apr-2023 shift 1]

Let be the solution curve of the differential equation , . Then is equal to : [25-Jan-2023 Shift 1]

Let , , where denotes greatest integer function. Then, [6-Apr-2023 shift 1]

The area of the region enclosed by the curve and its tangent at the point is [12-Apr-2023 shift 1]

Let the plane containing the line of intersection of the planes and pass through the points and . Then the distance of the point from the plane is [24-Jan-2023 Shift 2]

[13-Apr-2023 shift 1]

A wire of length is to be cut into two pieces.A piece of length is bent to make a square of area and the other piece of length is made into a circle of area . If is minimum then is equal to: [31-Jan-2

The mean and variance of a set of 15 numbers are 12 and 14 respectively. The mean and variance of another set of 15 numbers are 14 and respectively. If the variance of all the 30 numbers in the two se

If the area bounded by the curve , lines and outside the circle is , then is equal to ________. [15-Apr-2023 shift 1]

Let , be a solution curve of the differential equation . If and , then [12-Apr-2023 shift 1]

Let the plane contain the line and be parallel to the line Then the distance of the point from the plane measured parallel to the line is equal to _______ [15-Apr-2023 shift 1]

Let . If , then is equal to : [31-Jan-2023 Shift 2]

The number of arrangements of the letters of the word "INDEPENDENCE" in which all the vowels always occur together is. [8-Apr-2023 shift 1]

The distance of the point from the line passing through the point and parallel to a line with direction ratios is equal to : [25-Jan-2023 Shift 1]

The total number of six digit numbers, formed using the digits only and divisible by 6 , is ______. [1-Feb-2023 Shift 2]

Let be the equation of a plane passing through the point and perpendicular to the line joining the points and . Then the value of is equal to ______. [1-Feb-2023 Shift 2]

If the center and radius of the circle are respectively and , then is equal to [1-Feb-2023 Shift 1]

Let denote the set of all real values of such that the system of equations is inconsistent, then is equal to [1-Feb-2023 Shift 1]

If , then is equal to [13-Apr-2023 shift 2]

Let the digits a, b, c be in A.P. Nine-digit numbers are to be formed using each of these three digits thrice such that three consecutive digits are in A.P. at least once. How many such numbers can be

Let be a root of the equation and Then where [. ] denotes greatest integer function, is [29-Jan-2023 Shift 1]

The value of is [24-Jan-2023 Shift 2]

Let and be real numbers. Consider a matrix such that . If , then [29-Jan-2023 Shift 1]

Let be in an A.P. with common difference . If the standard deviation of is 4 and the mean is , then is equal to : [1-Feb-2023 Shift 2]

If the solution curve of the differential equation passes through the points and , then is equal to ______. [8-Apr-2023 shift 1]

The value of is [13-Apr-2023 shift 2]

Let for and Then area bounded by the curve and the lines is equal to ________. [31-Jan-2023 Shift 1]

A square piece of tin of side is to be made into a box without top by cutting a square from each corner and folding up the flaps to form a box. If the volume of the box is maximum, then its surface ar

Let be the plane, passing through the point and perpendicular to the line joining the points and . Then the distance of from the point is [31-Jan-2023 Shift 2]

The sum of the abosolute maximum and minimum values of the function in the interval is equal to : [1-Feb-2023 Shift 2]

The letters of the word OUGHT are written in all possible ways and these words are arranged as in a dictionary, in a series. Then the serial number of the word TOUGH is: [29-Jan-2023 Shift 2]

Let be the foot of perpendicular from the point on the line passing through the points and . Then the distance of from the plane is [13-Apr-2023 shift 2]

Consider the triangles with vertices and . If the maximum and the minimum perimeters of such triangles are obtained at and respectively, then is equal to ________ [15-Apr-2023 shift 1]

Let and . If is decreasing in the interval and increasing in the interval , then is equal to [10-Apr-2023 shift 2]