question_answer

In a reaction of aniline a coloured product C was obtained. The structure of C would be

A)

B)

C)

D)

Correct Answer: D

Solution :

Key Idea: 1° amines form diazonium salts at low temperature and diazonium salts are weak electrophiles, so react with strongly activated ring (takes H from benzene nucleus). Note: The ?N==N? linkage is called ?azo linkage, and -the reactions in which azo or diazo compounds are formed, are called diazo coupling reactions.