Which of the following reactions belong to electrophilic aromatic substitution?
(i) Bromination of acetanilide
(ii) Coupling reaction of aryldiazonium salts
(iii) Diazotisation of aniline
(iv) Acylation of aniline
Option (i) and (ii) are the correct answers.
Explanation: Nucleophilic substitution reaction where atoms are replaced by acyl groups is known as Acylation. Diazotisation is also a type of nucleophilic substitution reaction.