Question

Benzene reacts with n - propyl chloride in the presence of anhydrous $AlC{l}_3$ to give predominantly:

• A. n - propylbenzene
• B. isopropylbenzene
• C. 3 - propyl - 1 - chlorobenzene
• D. no reaction

Answer 1

Answer: (B)

isopropylbenzene

This is Friedel Crafts Alkylation reaction which takes place in presence of catalyst aluminium chloride and the iso propyl group attaches to benzene ring to form isopropyl benzene.