CPT-19 JEE Mains GSEB (Chem) Held on 11-Jan-15
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1 COMMON PRACTICE TEST - 19 XI-GSEB MAINS 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. ( ) (reactants) s s products s 17. H is + ve, H is – ve 18. H is –ve, H is –ve 19. ( ) (reactants) s s products s 20. H S T 21. W = -2.303 nRT log 2 1 V V 22. ( ) (reactants) s s products s 23. Entropy should increase 24. G ve 25. 2.303 log k G RT 26. G ve 27. (3) 2 (2) (1) G Eq Eq Eq 28. 2 1 ln P G nRT P 29. At equilibrium, G = 0 30. According to Hess’s law, 1 2 3 ........... Q q q q
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CPT-19 JEE Mains GSEB (Chem) Held on 11-Jan-15 IIT Ashram
Transcript of CPT-19 JEE Mains GSEB (Chem) Held on 11-Jan-15
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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
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ln PG nRTP
29. At equilibrium, G = 030. According to Hesss law,
1 2 3...........Q q q q
