1.

A catalyst that can be employed for Friedel-Crafts acylation is

Answer»

anhydrous `CuCl_(2)`
anhydrous `BCl_(3)`
anhydrous `CaCl_(2)`
HYDRATED `AlCl_(3)`

Solution :Anhyd. `BCl_(3)` is a LEWIS acid but hydrated `AlCl_(3)` is not.


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