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Posted By: kondapalli Member Level: Gold Posted Date: 29 Jul 2008
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2007 Jawaharlal Nehru Technological University B.Tech Chemical engineering ORGANIC CHEMISTRY setno1 Question paper
1. Discuss about Electrometric effect. [16]
2. Show the following reaction mechanism
(a)
H
|
CH3.CH3-C=O + CH3 — CH — CHO
OH-/H+
-?
(b)
CH3
|
CH3 — C=O + CH3 — C — CH3
OH-/H+
-?
k
O
[8+8]
3. (a) What are free-radicals ? How are they formed?
(b) Describe the free-radical type halogenation of alkanes. [10+6]
4. Write short note on optical isomerism and explain it with reference to tartaric Acid.
How does it give two optically active forms? [16]
5. Write a note on conformational analysis of cyclothexane. [16]
6. (a) Describe the manufacture, properties and uses of Teflon. How is tetrafluo-
roethylene prepared?
(b) Discuss the preparation, properties and uses of bakelite. [8+8]
7. (a) How pyridine can act as a stronger base than pyrrole?
(b) How will you get isoquinoline? [8+8]
8. What makes an organic compound coloured? Give the method of preparation and
uses of Malachite Green and Congo Red. [16]
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