question_answer

In Friedal-Crafts acylation, besides \[AlC{{l}_{3}}\], the other reactants are          [DPMT 2004]

A)                

B)                

C)                  

D)                

Correct Answer: B

Solution :

           In friedal craft acylation, aromatic compounds such as benzene, phenol etc. undergo acylation with \[C{{H}_{3}}COCl\] in the presence of anhydrous \[AlC{{l}_{3}}\] and gives ortho and para derivatives. Intermediate is \[C{{H}_{3}}{{C}^{+}}=O\](acylium ion) of this reaction. In fact denotes friedel craft alkylation.