Which one among the following is most reactive towards electrophilic substitution reaction

Options

(a) Aniline
(b) Nitrobenzene
(c) benzoic acid
(d) Acetanilide

Correct Answer:

Aniline

Explanation:

Aniline, -NH₂ group is highly activating group which increases the density of electrons at o- and p-position of benzene ring facilitating electrophilic substitution.