M.Sc. Chemistry (PU-CET P.G) 2021 Panjab University Entrance Exam With Answers

Prepare for M.Sc. Chemistry (PU-CET P.G) Panjab University Exam with Multiple Choice Questions & Answers for effective results.

1. CFSE will be highest for

2. Cerium oxide containing special variety glass, which cuts off ultraviolet rays, is known as

3. The shape of XeOF5- ion is

4. The magnetic moment (spin only) of [NiCl4]^2– is

5. Among the following isostructural compounds, identify the compound, which has the highest Lattice energy

6. In which of the following reactions, nitrogen is not reduced?

7. The coordination number of cation and anion in Fluorite CaF2 and CsCl are respectively

8. The acidic character of BF3, BMe3 and BH3 follows the order :

9. Alkali metals dissolve in liquid ammonia to form blue coloured solutions. The blue colour is due to:

10. Which element of actinide series has the highest melting point

11. Which of the following does not obey EAN rule ?

12. M-M bond is present in

13. Which of the following is expected to be diamagnetic?

14. A diatomic molecule has a dipole moment of 1.2D. If its bond distance is 1.0Ao, what fraction of electric charge “e” exists on each atom?

15. How many nodes does a 4d orbital possess?

16. Which of the following belongs to the C3v point group?

17. A proton and an alpha particle have the same de Broglie wavelength. The ratio, speed of proton/speed of alpha particle is :

18. Highest boiling point is expected for:

19. Which sample contains the largest number of atoms:

20. Which of the following is not a raw material used for the manufacture of ordinary glass?

21. Gun powder, which is an explosive comprises of charcoal, sulphur and

22. Which of the followings are isoelectronic and isostructural?

23. Which of the following species have bond order of 3?

24. Process in which metal ions are reduced to free metals is called

25. Which of the following represents a set of hard acid and soft base respectively?

26. The intermediacy of carbene in a reaction can be detected by reaction with:

27. Which sodium salt of which carboxylic acid is required for the synthesis of 2,5- dimethylhexane via Kolbe reaction?

28. What is the relationship between the conformation (X &Y) of 2,3- dibromobutane?

29. Which one of the following is the most stable conformation of hexane-3,4-diol?

30. Predict the product X in the following reaction:

31. The major product in hydoboration-oxidation of phenyl acetylene is:

32. Which of the following species participates in the sulphonation of benzene?

33. The major product in Friedal-Craft reaction between benzene, isobutyl alcohol and phosphoric acid is:

34. Arrange the following alkyl halide in order of increasing reactivity towards SN1 reaction (least reactive first):

35. Reaction of a glycol with lead tetra acetate results in formation of acetaldehyde (2 moles) the name of glycol is:

36. Which reactive intermediate is involved in Reimer- Tiemann reaction?

37. Reaction of benzonitrile with phenyl magnesium bromide and subsequent hydrolysis results in formation of:

38. Acetophenone upone reaction with hydrazine and potassium hydroxide results in formation of compound (C8H10). This reaction is known as:

39. In the following sequence of reaction the compound Z is:

40. Which carboxylic acid derivative least most reactive towards acyl nucleophilic Substitution ?

41. The best combination of reagents for synthesis of tert.butylethyl ether via Williamson’s method is:

42. Predict the product in the following reaction:

43. In the following reaction sequence the product Y is:

44. In Skraup synthesis of quinoline the role of nitrobenzene is:

45. The 1H NMR spectrum of a compound with molecular formula C7H14 gives only one signal at δ 1.6 (singlet). The possible structure of compound is:

46. In UV spectroscopy hyperchromic shift involves:

47. In IR spectroscopy the fingerprint region lies in between:

48. N-Terminal amino acid residue in peptide chain can be determined by reaction with:

49. Base catalyzed condensation of two molecules of esters is known as:

50. Reaction of methyl magnesium bromide with carbon dioxide followed by acidification results in formation of: