Question

What is meant by halogenation of benzene?​

Answer 1

Answer:

Substitution of hydrogen atom of benzene molecule by a halogen atom such as chlorine, bromine or iodine atom is called halogenation of benzene.

Answer 2

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$\implies$Benzene reacts with chlorine or bromine in an electrophilic substitution reaction, but only in the presence of a catalyst. The catalyst is either aluminium chloride (or aluminium bromide if you are reacting benzene with bromine) or iron.

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