Question

The reaction involving the conversion of diazonium salts to azo compounds is known as _______ reaction.

(a) diazotisation

(b) deamination

(c) coupling

(d) carbylamine

The question was posed to me in examination.

The above asked question is from Diazonium Salts Chemical Reactions in section Amines of Chemistry – Class 12

Answer 1

Right option is (c) coupling

For explanation I would say: Benzenediazonium salts react with highly reactive electron rich aromatic compounds to form azo compounds of the form Ar-N=N-Ar, where Ar represents an aromatic group. This type of reaction is known as coupling reaction.