question_answer

Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be:

A)  

B)  

C)  

D)  

Correct Answer: C

Solution :

 Aniline on diazotisation in cold (at\[0{}^\circ \]to\[5{}^\circ C\] give benzene diazonium chloride. This benzene diazonium chloride on coupling reaction with dimethyl aniline gives a coloured product ie, .   p- (N, N-dimethyl) amino azobenzene (azodye).