Free Chemistry Questions for CUET-UG

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CUET-UG | Chemistry QBank

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Here we present you the Questions from the subject of Chemistry for your CUET (Common University Entrance Test). Keep Solving questions to prepare better and improve your scores.

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. The Test Paper is AI generated.

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#1. An ideal gas is expanded isothermally at 300K from 1 litre to 10 litres. Find the ΔE for this process (R = 2 cal mol-1 K-1)

1381.1 cal

163.7 cal

9 L atm

zero

#2. For the orthorhombic system, axial ratios are a ≠ b ≠ c and the axial angles are:

α = β = γ ≠ 90⁰

α ≠ β ≠ γ = 90⁰

α = β = γ = 90⁰

α ≠ β ≠ γ ≠ 90⁰

#3. What is the ratio of kinetic energies of 3g of hydrogen and 4 g of oxygen at T(K) ?

1 : 6

24 : 1

6 : 1

12 : 1

#4. The type of isomerism exhibited K3[Co(NO2)6] and K3[Co(ONO)6] :-

Geometrical

Ionisation

Linkage

Co-ordination

#5. The shape of IF4+ will be :-

Pentagonal bipyramidal

Square planar

Distorted tetrahedral

Tetrahedral

#6. Equal moles of benzene and toluene are mixed. The vapour pressure of benzene and toluene in pure state are 700 and 600 mm Hg respectively. The mole fraction of benzene in vapour state is :-

0.47

0.54

0.7

0.50

#7. Teflon is polymer of :-

Caprolactum

Ethylene

Acrylonitrile

Tetrafluoro ethene

#8. The enthalpy of formation of CH4(g), H2O(l) and CO2(g) are respectively –74.8 KJ mol–¹, –285.5 KJ mol–¹ and –393.5 KJ mol–¹. Then, the standard enthalpy of combustion of CH4(g) is

–604.5 KJ mol–¹

–890.3 kJ mol–¹

+890.3 KJ mol–¹

+604.5 KJ mol–¹

#9. Select the incorrect statement about silicate's :-

In Pyrosilicate, only one oxygen atom shared

In single chain silicate two oxygen atom are shared

Formula of single chain silicate is (Si2O5)n ‐²

Beryl an example of cyclic silicate

#10. Which of the following is most basic ?

Tb(OH)3

Lu(OH)3

Yb(OH)3

Ce(OH)3

#11. When copper is heated with conc. HNO it produces ?

Cu(NO3)2 and NO2

Cu(NO3)2 , NO and NO

Cu(NO3)2 and N2O

Cu(NO3)2 and NO2

#12. Carbon-carbon bond formation is possible in the reaction

Clemmensen Reduction

Cannizaro reaction

Friedel craft reaction

Tischenko reaction

#13. What mass of CaCl2 in grams would be enough to produce 14.35gm of AgCl ?

10 g

16.59 g

8.29 g

5.55 g

#14. For the reaction, PCl5 -----> PCl3 + Cl2 the forward reaction at constant temperature is favoured by :- (a) Introducing an inert gas at constant volume (b) Introducing chlorine gas at constant volume (c) Introducing an inert gas at constant pressure (d) Increasing volume of the container (e) Introducing PCl at constant volume

a, b, c

c, d, e

a,c,d,e

b, c, d

#15. Electronic configuration of the outer shell of the element Gd with atomic number 64 is

4f3 5d5 6s2

4f7 5d1 6s2

4f5 5d4 6s1

4f4 5d5 6s1

#16. The effect that makes 2,3–dimethyl-2-butene more stable than 2-butene is :-

Inductive effect

Steric effect

Hyperconjugation

Resonance

#17. Which of the following does not show electrical conduction ?

potassium

diamond

graphite

sodium chloride (fused)

#18. Order of nucleophilicity in protic polar solvent of halide

F > Br > Cl > I

I > Br > Cl > F

Br > I > F > Cl

F > Cl > Br > I

#19. A substance which gives dark red flame and breaks down on heating to give oxygen and a brown gas is :-

Sr(NO3)2

Ba(NO3)2

Mg(NO3)2

NaNO3

#20. Consider the following statements:- (a) At high pressure all real gases have Z > 1 while at moderate pressure most gases have Z < 1 (b) Vanderwaal constant 'a' is measure of attractive force within the gas and is independent of temperature and pressure. (c) Greater the critical temperature of a gas more easily it will be liquified. (d) There is no force of attraction between molecules of ideal gas. The correct statements are :

All a, b, c, d

Only b, c, d

Only a, c, d

Only c, d

Finish

Scholar Worm

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Free Chemistry Questions for CUET-UG

CUET-UG | Chemistry QBank

Hello Aspirants !!!

Instructions for Question Paper :-

Results

#1. An ideal gas is expanded isothermally at 300K from 1 litre to 10 litres. Find the ΔE for this process (R = 2 cal mol-1 K-1)

#2. For the orthorhombic system, axial ratios are a ≠ b ≠ c and the axial angles are:

#3. What is the ratio of kinetic energies of 3g of hydrogen and 4 g of oxygen at T(K) ?

#4. The type of isomerism exhibited K3[Co(NO2)6] and K3[Co(ONO)6] :-

#5. The shape of IF4+ will be :-

#6. Equal moles of benzene and toluene are mixed. The vapour pressure of benzene and toluene in pure state are 700 and 600 mm Hg respectively. The mole fraction of benzene in vapour state is :-

#7. Teflon is polymer of :-

#8. The enthalpy of formation of CH4(g), H2O(l) and CO2(g) are respectively –74.8 KJ mol–¹, –285.5 KJ mol–¹ and –393.5 KJ mol–¹. Then, the standard enthalpy of combustion of CH4(g) is

#9. Select the incorrect statement about silicate's :-

#10. Which of the following is most basic ?

#11. When copper is heated with conc. HNO it produces ?

#12. Carbon-carbon bond formation is possible in the reaction

#13. What mass of CaCl2 in grams would be enough to produce 14.35gm of AgCl ?

#15. Electronic configuration of the outer shell of the element Gd with atomic number 64 is

#16. The effect that makes 2,3–dimethyl-2-butene more stable than 2-butene is :-

#17. Which of the following does not show electrical conduction ?

#18. Order of nucleophilicity in protic polar solvent of halide

#19. A substance which gives dark red flame and breaks down on heating to give oxygen and a brown gas is :-

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Scholar Worm

Study is your Worship

CUET-UG | Chemistry QBank

Hello Aspirants !!!

Instructions for Question Paper :-

Results

#1. An ideal gas is expanded isothermally at 300K from 1 litre to 10 litres. Find the ΔE for this process (R = 2 cal mol-1 K-1)

#2. For the orthorhombic system, axial ratios are a ≠ b ≠ c and the axial angles are:

#3. What is the ratio of kinetic energies of 3g of hydrogen and 4 g of oxygen at T(K) ?

#4. The type of isomerism exhibited K3[Co(NO2)6] and K3[Co(ONO)6] :-

#5. The shape of IF4+ will be :-

#6. Equal moles of benzene and toluene are mixed. The vapour pressure of benzene and toluene in pure state are 700 and 600 mm Hg respectively. The mole fraction of benzene in vapour state is :-

#7. Teflon is polymer of :-

#8. The enthalpy of formation of CH4(g), H2O(l) and CO2(g) are respectively –74.8 KJ mol–¹, –285.5 KJ mol–¹ and –393.5 KJ mol–¹. Then, the standard enthalpy of combustion of CH4(g) is

#9. Select the incorrect statement about silicate's :-

#10. Which of the following is most basic ?

#11. When copper is heated with conc. HNO it produces ?

#12. Carbon-carbon bond formation is possible in the reaction

#13. What mass of CaCl2 in grams would be enough to produce 14.35gm of AgCl ?

#15. Electronic configuration of the outer shell of the element Gd with atomic number 64 is

#16. The effect that makes 2,3–dimethyl-2-butene more stable than 2-butene is :-

#17. Which of the following does not show electrical conduction ?

#18. Order of nucleophilicity in protic polar solvent of halide

#19. A substance which gives dark red flame and breaks down on heating to give oxygen and a brown gas is :-

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