Question

how will you prepare 4-chloro toluene from benzene​

Answer 1

Explanation:

Chloro benzene ( C6H5--CL ) on reaction with methyl chloride ( CH3--Cl ) in presence of anhydrous Alcl3 gives 4 -- chloro toulene ( or) para chloro toulene. This reaction is known as Friedel crafts Alkylation.

C6H5--CL + CH3--Cl -------- 4- chloro toulene.