question_answer

Catalyst used in Friedel-Craffs reaction is:

A)  anhydrous aluminium chloride

B)  sodium                

C)  ferric chloride

D)  zinc oxide

Correct Answer: A

Solution :

In Friedel-Craft reaction hydrogen atom in benzene ring is replaced by acyl or alkyl group. The reaction is electrophilic substitution. The catalyst used for the reaction are anhydrous \[AlC{{l}_{3}}\] or anhydrous \[FeC{{l}_{3}}\].