question_answer

Which one of the following is an intermediate in the reaction of benzene with \[C{{H}_{3}}Cl\] in the presence of anhydrous \[AlC{{l}_{3}}\]?

A)  \[C{{l}^{-}}\]             

B)  \[C{{H}_{3}}\]

C)  \[CH_{3}^{+}\]           

D)  

Correct Answer: C

Solution :

Mechanism \[C{{H}_{3}}Cl+AlC{{l}_{3}}\xrightarrow[{}]{}CH_{3}^{+}+AlCl_{4}^{-}\] \[{{H}^{+}}+AlCl_{4}^{-}\xrightarrow{{}}HCl+AlC{{l}_{3}}\]