Which would not react with benzene sulphonyl chloride in an aqueous NaOH?
(a) N-ethyl aniline
(b) p-toluidine
(c) N, N-dimethyl aniline
(d) aniline
Correct option (a) N-ethyl aniline
Explanation:
N, N-dimethyl aniline is a tertiary amine and has no replaceable H-atom.