1COMMON PRACTICE TEST - 19XI-GSEBMAINS CHEMISTRY SOLUTION Date: 11/01/20151. (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. ( ) (reactants)s s products s 17. H is + ve, H is ve18. H is ve, H is ve19. ( ) (reactants)s s products s 20. HS

T

21. W = -2.303 nRT log 21

VV

22. ( ) (reactants)s s products s 23. Entropy should increase24. G ve 25. 2.303 log kG RT 26. G ve 27. (3) 2 (2) (1)G Eq Eq Eq 28. 2

1

ln PG nRTP

29. At equilibrium, G = 030. According to Hesss law,

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