What is the alkylation reaction in benzene?
(A) C6H6+CH3Cl ------>C6H5CH3+HCl
(B) C6H6+Cl2------> C6H5Cl+HCl
(C) C6H6+H2SO4------>C6H5SO3H+H2O
(D) None of these
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Alkylation means substituting an alkyl group into something - in this case into a benzene ring. A hydrogen on the ring is replaced by a group like methyl or ethyl and so on. Benzene is treated with a chloroalkane (for example, chloromethane or chloroethane) in the presence of aluminum chloride as a catalyst.
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