Vinayaka Missions University 2008 M.Sc Chemistry ORGANIC - I : t - Question Paper

COURSE CODE - 2030202
PG DEGREE exam – SEP 2008
M.SC (CHE)
ORGANIC CHEMISTRY - I
(For Candidate Admitted from calendar 2007 onwards)
Time: three Hours Max. Marks: 75
part –A
ans all the Questions: 15X1= 15
1. What is inductive effect?
2. How will you describe an and strength by Bronsted’s theory?
3. What us resonance effect?
4. describe astnnettic carbon?
5. elaborate enanfomers?
CHO
6. H OH – Final the configuration of this molecule?
CH2 OH
7. Write Hackle’s rule?
8. provide an example for carbanion?
9. obtain the number of ?- electrons in the subsequent molecule?
10. describe fluorescence?
11. What is intersystem crossing?
12. provide an example for is-trans isomerism?
13. Write the structures of maltose?
14. What is Zrigler-Natta catalyst?
15. provide an example for addition polymer?
part - B
ans any 5 Questions: five X6 =30
16. a. How will you determine the reaction Meacham by using kinetic
methods?
(OR)
b. discuss the steric effect with example?
17. a. discuss the resolution with suitable example?
(OR)
b. Briefly discuss klalden-Inversion with example?
18. a. How will you general the carbenes? discuss the methods?
(OR)
b. discuss the non-aromaticity with suitable examples?
19. a. discuss the mechanism of Barton – reaction?
(OR)
b. Briefly discuss the conformational analysis of disubstituted
cycloheranes?
20. a. Write the structural elucidation of starch
(OR)
b. provide an account of unfiguration & conformation of cellulose?
part – C
ans any 2 ques.. two X15=30
21. discuss the kinetic and thermodynamic control on reaction
mechanism?
22. discuss the geometric isomerism of biphenyls?
23. a)How will you generate free Radicals?
b)Compare the stability of carbocation, carbanion, carbine?
24. Elucidate the structure of atropine.
25. explain the origin of acidity in organic compounds. discuss with
examples the influence of solvent in compounds acidity.

Earning:   Approval pending.