Supply the reagents in the following sequence of reations :
`(ii) CH_(4) overset([A])(to) CH_(3) Br overset([B]) (to) C_(6) H_(5) CH_(3) overset([C])(to) C_(6)H_(5)COOH`

Explanation

`underset("Methane")(CH_(4)) overset(Br_(2)//hv [A])(to) CH_(3)Br overset(C_(6)H_(6)." anhyd." AICI_(3)[B])underset("(F.C. alkylation)")(to) underset("Toluene")(C_(6)H_(5)CH_(3)) overset((i) KMnO_(4),KOH, 373 K[C])underset((ii) H_(3)O^(+))(to) underset("Benzoic acid")(C_(6)H_(5)COOH)`