10.
11.
12.

14449

14449

2 D 10128

How is oxalic acid is prepared?

How do you account for acetyl chloride has lower boiling point than acetic acid?
Explain the role of inductive effect of alkyl group on the strength of basicity of amines.
How will you distinguish between 1°, 2° and 3° amines.

Explain the preparation methyl orange.

Write the mechanism of Claisen condensation.

(10 x 2 = 20 marks)

Part C
Answer any five questions.

Each question carries 6 marks.

Give the mechanism, stereochemistry and kinetics of SN! and SN? reactions for the hydrolysis
of alkyl halide.

(a) Explain Riemer-Tiemann reaction.
(b) Write a note on Kolbe’s reaction.
Discuss Wolff-Krishner reduction and MPV reduction.
(a) Explain HVZ reaction.
(b) Explain Blanc’s rule.
Explain the properties of pyridine ; furan and indole.
(a) What is Zaytseff rule? Explain.
(b) Differentiate between substitution and Elimination raction.
(a) Explain the uses and health effects of CCl,.
(b) Explain the uses of Chloroform.

Discuss Canizarro reaction and explain probable mechanism in this reaction. What are the
products when a mixture containing fermaldehyde and benzaldehyde is subjected to this
reaction?
(5 x 6 = 30 marks)
Part D

Answer any two questions.
Each question carries 10 marks.

. Whatis ring substitution in aromatic amines? Write the following ring substitution of aromatic

amines:

(a) Halogenation; (b) Sulphonation ; (c) Nitration.