Question

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

Answer 1

Answer: (E)

$+NaCl+H_{2}O$