The reaction in which a reagent (partially or completely) replaces atom or group of atoms from saturated compounds or A are called B reaction.Here, A and B respectively refer to
(a) unsaturated compounds, addition
(b) unsaturated compounds, substitution
(c) benzene, substitution
(d) alkene, addition.

Correct Answer: (c) benzene, substitution

Explanation:  Substitution reaction is usually given by saturated compounds and benzene. Unsaturated compounds usually give addition reactions.

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Updated on: 13-Mar-2023

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