Veer Narmad South Gujarat University 2011-2nd Sem M.Sc Chemistry SB-3487 Organic : - 2 ( )( Self Finance ) - Question Paper
M. Sc. (Sem. - II) (SF) Examination
March / April - 2011
Organic Chemistry : Paper - II
SB-3487
Time : 3 Hours]
[Total Marks : 70
Instructions :
N Seat No.:
6silq<3i Pi*unkil SnwiA u* <KH=fl. Fillup strictly the details of signs on your answer book.
Name of the Examination :
M. Sc. (Sem. II)
Name of the Subject:
Organic Chemistry : Paper - II
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Student's Signature
3 Answer any three of the following : 18
(a) Explain the Blanc's rule. How is it useful to establish the ring system in cholesterol ?
(b) Prove the structure of farnesol by analytical evidences.
(c) Justify the position of hydroxyl group in cholesterol.
(d) What are hormones ? Classify them. Give the synthesis of :
(i) Testosterone
(ii) Diel's hydrocarbon.
4 Answer any four of the following : 16
(a) Give the name and structural formula of sugars and bases present in nucleic acids. Give the synthesis of guanosine.
(b) Write a note on the Jablonski diagram.
(c) Prove the structure of zingiberene analytically.
(d) Give evidences for the ethylenic double bond in cholesterol.
(e) What are terpenoids ? Give the synthesis of cadalene.
SB-3487] 2 [ 100 ]
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