1

COMMON PRACTICE TEST - 19XI-GSEB MKP(MEDICAL) CHEMISTRY SOLUTION Date: 11/01/2015

1. (c)

2. (d)

3. (a)

4. (b)

5. (d)

6. (a)

7. (c)

8. (b)

9. (c)

10. (a)

11. (a)

12. (a)

13. (a)

14. (a)

15. (a)

16. (c)

17. (d)

18. (c)

19. (b)

20. (a)

21. ( ) (reactants)s s products s 22. H is + ve, H is – ve

23. H is –ve, H is –ve

24. ( ) (reactants)s s products s

25.H

ST

26. W = -2.303 nRT log 2

1

V

V

27. ( ) (reactants)s s products s 28. Entropy should increase

29. G ve

2

30. 2.303 log kG RT

31. G ve

32. (3) 2 (2) (1)G Eq Eq Eq

33. 2

1

lnP

G nRTP

34. At equilibrium, G = 0

35. According to Hess’s law,

1 2 3...........Q q q q

36. G ve

37. G ve (for spontaneous process)

38. 2.303 logG RT K

39. III law of thermodynamics

40.H

ST