In Friedel Craft acylation an acyl group is introduced in benzene ring in the presence of catalyst _____?

In Friedel Craft acylation an acyl group is introduced in benzene ring in the presence of catalyst _____?

فریڈیل کرافٹ اکیلیشن میں ایک اسائیل گروپ کو بینزین رنگ میں اتپریرک _____ کی موجودگی میں متعارف کرایا جاتا ہے؟
Explanation

In Friedel-Crafts acylation, an acyl group is introduced into the benzene ring in the presence of AlCl₃ (aluminum chloride).

It acts as a catalyst by facilitating the formation of the acylium ion that reacts with the benzene.