Question

Which of the following statements are correct about Friedel-Crafts reaction?

• A. It is an aromatic electrophilic substitution reaction.
• B. The reaction intermediate is an electron deficient species.
• C. The reaction may involve alkylation or acylation.
• D. A Lewis acid is used as a catalyst.

Answer 1

Answer: (A), (C), (D)

The correct options are
A It is an aromatic electrophilic substitution reaction.
C The reaction may involve alkylation or acylation.
D A Lewis acid is used as a catalyst.

Friedel-Crafts reaction is the reaction of an alkyl halide or acyl halide, with a lewis acid. This reaction proceeds via aromatic electrophilic substitution mechanism.