CUET(UG) Chemistry Sample Paper with Answer

CUET(UG) Chemistry Sample Paper with Answer SET-4

1. Which of the following solids show both the Schottky as well as Frenkel defect

A.AgI
B. AgBr
C. NaCl
D. KCl

Answer

2. The values of van't Hoff factors for KCl, MgCl₂ and K₂SO₄ are

A. 1, 1 and 2
B. 1, 2 and 3
C. 2, 2 and 3
D. 2, 3 and 3

Answer

3. A boiling point of four liquids A, B, C and D are 170°, 100°, 200° and 30° respectively, the correct increasing order of their vapour pressure is

A. D < B < A < C
B. C < A < B < D
C. A < C < B < D
D. C < A < D < B

Answer

4. The quantity of charge required to obtain one mole of aluminium from Al₂O₃is

A. 6F
B. 3F
C. 9F
D. 1F

Answer

5. An emulsion cannot be broken by

A. Freezing
B. Heating
C. Adding emulsifying agent
D. Cntrifuging

Answer

6. H₂ gas is adsorbed on activated charcoal to a very little extent in comparison to easily liquefiable gases due to

A. Very strong van der Waal’s interaction
B. Very weak van der Waals forces
C. Very high critical temperature
D. No interaction

Answer

7. The main reaction which occurs in blast furnace during extraction of iron from haematite is

A. Fe₂O₃ + 3CO → 2Fe + 3CO₂
B. FeO + SiO₂ → FeSiO₃
C. Fe₂O₃ + C → 2Fe + 3CO
D. All the above reactions

Answer

8. The number of π and σ bonds are present in a cyclotrimetaphosphoric acid

A. 1, 12
B. 1, 15
C. 3, 9
D. 3, 15

Answer

9. Which of the following is the molecular formula of phosphinic acid

A. H₂PO₃
B. H₃PO₂
C. HPO₂
D. H₃PO₃

Answer

10. Which of the following ligands will be listed last in a coordination sphere

A. Cl
B. CO
C. CO₃
D. C₂O₄

Answer

11. Which of the following complexes shows zero crystal field stabilization energy

A. [Co(H₂O)₆]⁺³
B. [Co(H₂O)₆]⁺²
C. [Fe(H₂O)₆]⁺³
D. [Mn(H₂O)₆]⁺³

Answer

12. Which of the following compounds does not have a coordination isomer

A. [Ag(NH₃)₂][Ag(CN)₂]
B. [Cr(NH₃)₆][Co(CN)₆]
C. [Zn(NH₃)₄][PtCl₄]
D. [Cu(NH₃)₄][FeCl₄]

Answer

13. Which of the following compound is chiral in nature

A. 1-bromobutane
B. 2-bromobutane
C. 1-bromopropane
D. Cyclohexyl chloride

Answer

14. Which of the following is the correct Arrhenius equation

A. K = A.e^Ea/RT
B. K = A.e^−Ea/RT
C. K = Z.e^Ea/RT
D. K = A.e^−Ea/T

Answer

15. What are the factors that determine an effective collision

A. Translational collision and energy of activation
B. Threshold energy and proper orientation
C. Proper orientation and steric bulk of the molecule
D. Collision frequency, threshold energy and proper orientation

Answer

16. Methyl amine reacts with nitrous acid gives

A. Methyl alcohol
B. Methyl nitrile
C. Dimethyl ether
D. Nitromethane

Answer

17. Which of the following reagents is not used for the reduction of nitro group to amino group

A. H₂/Pd
B. Sn/HCl
C. Fe/HCl
D. Fe/NaOH

Answer

18. Azo coupling reaction with benzene diazonium chloride will not shown by

A. Aniline
B. Anisole
C. Phenol
D. Nitrobenzene

Answer

19. Which of the following is false regarding the Ellingham diagram

A. It consists of plots of Δ_fG° vs T
B. Ellingham diagrams are based on thermodynamic concepts
C. They do not tell us anything about the kinetics of the reduction process
D. They do not assume reactant-product equilibrium

Answer

20. What is the primary product when carbon is treated with concentrated sulfuric acid

A. Carbon dioxide
B. Carbon monoxide
C. Carbon sulfate
D. Carbon sulfide

Answer

21. Which of the following conditions is the most suitable for manufacture of sulfuric acid in contact process

A. High temperature and high pressure
B. Low temperature and high pressure
C. High pressure and low temperature
D. Low pressure and low temperature

Answer

22. Which metal is used in making electrical fibres

A. Actinium
B. Nickel
C. Thorium
D. Tungsten

Answer

23. What is the colour of the compound CoCl₃.5NH₃

A. Yellow
B. Purple
C. Green
D. Violet

Answer

24. If X and Y are the carbon-halogen bond enthalpies in chloroethane and bromoethane respectively, what is the relationship between X and Y

A. X > Y
B. X < Y
C. X = Y
D. X + Y = 0

Answer

25. What is the reason for iodoform to be used as an antiseptic

A. Due to its unpleasant odour
B. Due to its melting point
C. Due to its solubility in alcohol
D. Due to the liberation of free iodine

Answer

26. Ortho and para isomers of nitrophenol can be separated by

A. Fractional distillation
B. Steam distillation
C. Vacuum distillation
D. Zone distillation

Answer

27. Cumene hydroperoxide on hydrolysis with dilute H₂SO₄ gives

A. Alcohol and phenol
B. Only phenol
C. Phenol and acetone
D. Alcohol and acetone

Answer

28. What is the catalyst used in the hydrogenation of acetyl chloride to produce ethanal

A. Pt over BaSO₄
B. Pt over CuSO₄
C. Pd over BaSO₄
D. Pd over CuSO₄

Answer

29. Which of the following reactions does not give benzaldehyde

A. Rosenmund reaction
B. Etard reaction
C. Gatterman-Koch reaction
D. Friedel-Craft acylation reaction

Answer

30. When a blue litmus paper is dipped in an aqueous solution of benzenediazonium bromide, the litmus paper

A. Turns red
D. Turns orange
C. Turns black
D. Remains unchanged

Answer

31. If the pKb value of N,N-diethylethanamine is 3.25, predict the pKb value of ethanamine

A. 3.00
B. 3.29
C. 4.75
D. 9.38

Answer

32. Identify the correct statement

A. Peptide bond is formed by the loss of water molecule
B. A protein is made of only one type of amino acid
C. Dipeptides consists of different amino acids
D. Glycylalanine is a tripeptide

Answer

33. Which of the following bases contain two keto groups

A. Adenine
B. Guanine
C. Thymine
D. Cytosine

Answer

34. Lack of which hormone causes Addison’s disease

A. Glucocorticoids
B. Oxytocin
C. Insulin
D. Norepinephrine

Answer

35. Which of the following is used in the firewall of vehicles

A. Teflon
B. Nomex
C. Viton
D. Zylon

Answer

36. What are the monomers of PHBV

A. 2-Hydroxybutanoic acid, 2-hydroxypentanoic acid
B. 2-Hydroxybutanoic acid, 3-hydroxypentanoic acid
C. 3-Hydroxybutanoic acid, 2-hydroxypentanoic acid
D. 3-Hydroxybutanoic acid, 3-hydroxypentanoic acid

Answer

37. A certain compound X occupied a site of an enzyme exactly opposite to that of the active site. This immediately resulted in the change of shape of the active site. X is called a

A. Competitive inhibiton
B. Nnon-competitive inhibitor
C. Competitive messenger
D. Receptor

Answer

38. Which of the following tranquilizers cannot be part of sleeping pills

A. Chlordiazepoxide
B. Amytal
C. Seconal
D. Nembutal

Answer

39. What is the most common oxidation state of lanthanides

A. +2
B. +4
C. +6
D. +3

Answer

40. Which of the following is an example of a non-ideal solution showing positive deviation

A. Acetone + Carbon disulphide
B. Chlorobenzene + Bromobenzene
C. Chloroform + Benzene
D. Acetone + Aniline

Answer

41. If metallic atoms of mass 197 and radius 166 pm are arranged in ABCABC fashion then what is the surface area of each unit cell

A. 1.32 × 106 pm²
B. 1.32 × 10-18pm²
C. 2.20 × 105 pm²
D. 2.20 × 10-19 pm²

Answer

42. What is the bond angle of hypochlorous acid

A. 108°
B. 108.5°
C. 109°
D. 109.5°

Answer

43. Which of the following noble gases is most soluble in water

A. Helium
B. Radon
C. Krypton
D. Neon

Answer

44. The correct product of the following reaction is

Answer

45. Identify the correct order of basic strength of the following substituted anilines

A. p-Methylaniline > m-Methylaniline > p-Nitroaniline > m-Nitroaniline
B. p-Methylaniline > m-Methylaniline > m-Nitroaniline > p-Nitroaniline
C. p-Nitroaniline > m-Nitroaniline > p-Methylaniline > m-Methylaniline
D. p-Nitroaniline > m-Nitroaniline > m-Methylaniline > p-Methylaniline

Answer

SET-1 SET-2 SET-3 SET-4 SET-5 SET-6

CUET(UG) Chemistry Practice Questions with Answer

Share

CUET(UG) Chemistry Sample Paper with Answer

CUET(UG) Chemistry Sample Paper with Answer