Question

Chlorobenzene can be prepared by reacting aniline with

• A. hydrochloric acid
• B. cuprous chloride
• C. chlorine in the presence of anhyd $AlCl_3$
• D. nitrous acid followed by heating with cuprous chloride

Answer 1

Answer: (D)

nitrous acid followed by heating with cuprous chloride

Answer 2

$C_6H_5NH_2 + HNO_2\rightarrow C_6H_5N_2OH\xrightarrow{CuCl}C_6H_5-Cl$