The electrolytic reduction of nitrobenzene in strongly acidic medium produces
- azobenzene
- aniline
- p-aminophenol
- azoxybenzene.
Answer
(3) p-aminophenol
Solution
In strongly acidic medium, electrolytic reduction of nitrobenzene stops at N-phenylhydroxylamine:
C6H5NO2 4[H] C6H5NHOH + H2O
In the strong acid, C6H5NHOH rearranges to p-aminophenol:
C6H5NHOH H+ p-HO-C6H4-NH2
Answer: (3)