Chemistry (M.Phil./Ph.D.) 2018 Panjab University Entrance Exam With Answers

Get Ready for Chemistry (M.Phil./Ph.D.) Panjab University Entrance with MCQs & Answers. Maximize success with Jetty Study's extensive resources.

1. The rotational spectrum of a rigid diatomic rotor consists of equally spaced lines with spacing equal to:

2. Consider an endothermic reaction A--->B with Eb and Ef as activation energies for the backward and forward reactions respectively, then:

3. For a cyclic process:

4. ‘It is only the radiation actually absorbed by the reacting system that is effective in producing a chemical reaction’.

5. The temperature at which the average speed of H2 equal that of O2 at 320 K:

6. The second lower state of particle in a cubic box is:

7. In polarography:

8. The correct point group for SF6 is:

9. The crystal system of a compound with unit cell dimensions a=0.387, b=0.387, c= 0.504 nm and α=β= 900 and γ=1200 is:

10. For an aqueous solution at 25oC, the Debye-Huckel limiting law is given by:

11. The standard electrode potential E0 at a fixed temperature and in a given medium is dependent on

12. A wave function (ψ) is not acceptable when:

13. The given wave function graph in one-dimensional box of length, a, corresponds to energy equal to (where, m is mass of particle):

14. Soap essentially form a colloidal solution in water and remove the greasy matter by:

15. The lowest allowed energy is equal to zero for

16. At high altitudes, the boiling point of water gets lowered because

17. The cell constant of a conductivity cell:

18. Among the following the one which is EPR active is:

19. Generally octahedral clusters are formed by:

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

21. The ion that gets readily hydrolysed is:

22. Which is thermodynamically unstable and also kinetically labile?

23. d-p mixing occurs in:

24. Which transition metal is present in carbonic anhydrase?

25. Magnetic moment of Cr (Z=24), Mn+ (Z=25) and Fe2+ (Z=26) are x, y, z. They are in the order

26. Which of the following is the first chemical compound of the noble gases?

27. Cold solution of barium nitrite on mixing with sulphuric acid produces:

28. Nitric oxide is paramagnetic in:

29. The styx code for diborane is:

30. Microcosmic salt when heated strongly, a transparent bead is formed which is used in identification of:

31. Which has the least molar solubility in H2O?

32. The shape of XeOF5- ion is:

33. From molecular orbital configuration of CO and NO+, we would predict:

34. Among the following diatomic molecules, which one will show EPR signal?

35. What is the main factor on which chemical shift depends in Mossbauer spectra?

36. Assign R / S configuration at C-1, C-2 and C-5 in the following compounds

37. Singlet and triplet carbene can be distinguish by reaction with :

38. Predict the product X of the following reaction:

39. The major product formed by reaction of benzene withy isobutyl alcohol in presence of con.H2SO4 is:

40. The major product X in the following reaction is:

41. Elimination addition mechanism of aromatic nucleophilic substitution involves the intermediacy of:

42. Reduction of cyclopene-2-ene-1-one with sodium borohydride in methanol and CeCl3 results in formation of:

43. The best reagent for conversion of 1-butene to 1-butanol is:

44. Product Y in the following sequence of reaction is:

45. Which of aldehyde will not response to Cannizarro reaction:

46. Base catalyzed condensation of two molecules of ester result in formation of:

47. The selective reagent for selective oxidation of primary alcohol to aldehyde is:

48. How many products are possible in case of free radical bromination of 1-butene ?

49. Relative intensity of M+, M++2 and M++4 peaks in mass spectra of 1,3-dibromopropane is:

50. The following reaction is an example of: