1.

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

Answer»

Solution :(a) When benzene diazonium chloride reacts with curpous chloride in HCl, Chlorobenzene is formed. <BR> 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`


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