Question

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

• A. n - propylbenzene
• B. Isopropylbenzene
• C. 3 - propyl - 1- chlorobenzene
• D. 2 - Propyl - 1 - chlorobenzene

Answer 1

The correct option is B Isopropylbenzene

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