Assertion`:` Friedel`-`Crafts reaction is used to introduce an alkyl or acyl group in benzene nucleus
Reason`:` Benzene is a solvent for the Friedel`-`Crafts alkylation of bromobenzene.
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.