a) How do you convert benzene diazonium chloride into chloro benzene.
(b) Explain Hoffman Bromamide reaction with example.

Explanation

(a) When benzene diazonium chloride reacts with curpous chloride in HCl, Chlorobenzene is formed.
The name of thr reaction is Sandmeyer.s Reaction.
(b) When amide reacts with bromide in presence of aq. NaOH, primary amine is formed.
`R -CONH_(2) + Br_(2) + 4NaOH rarr R -NH_(2) + Na_(2)CO_(3) + 2NaBr + 2 H_(2)O`