question_answer

Which of the following compounds on treatment first with\[NaN{{O}_{2}}/HCl\]and then coupled     with     phenol     produces p-hydroxyazobenzene?

A)  Nitrobenzene  

B)         Azobenzene

C)  Phenol                

D)         Phenyl isocyanide

E)  Aniline

Correct Answer: E

Solution :

\[+NaCl+{{H}_{2}}O\]