Why does bromination of aniline, even under very mild conditions give 2, 4, 6- tribromoaniline instantaneously?

2

(a)

How can you convert p-toluidine to 2-bromo-4-methylaniline?

2

(a)

Write structures of different isomers corresponding to the molecular formula, C₃H₉N. Write IUPAC names of the isomers which will liberate nitrogen gas on treatment with nitrous acid.

2

(a)

What is the rol of HNO₃ in the nitrating mixture used for nitration of benzene?

2

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Why is NH₂ group of aniline acetylated before carrying out nitration?

2

(a)

What is the role of pyridine in the acylation reaction of amines?

2

(a)

Predict the product of reaction of aniline with bromine in non-polar solvent such as CS₂.

2

(a)

What is Baker Mulliken's test? Discuss its chemistry.

2

(a)

Explain the following reactions:
(i) Gabriel phthalimide reaction
(ii) Coupling reaction

2

(a)