(A) Friedel-Crafts reaction between benzene and acetic angydride in presence of anhydrous `AICI_(3)` yields acetophenone and not polysubstitution product.
( R) Acetophenone formed poisons the catalyst, preventing further reaction.
A. If both (A) and ( R) are correct and ( R) is corrct explanation of (A).
B. If both (A) and ( R) are correct but ( R) is not the corrct explanation of (A).
C. If (A) is incorrect but ( R) is incorrect.
D. If (A) is incorrect but ( R) is incorrect.