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what is effect of presence of chlorine in electrophilic substitution in chlorobenzine?

what is effect of presence of chlorine in electrophilic substitution in chlorobenzine?

Grade:12th Pass

1 Answers

Suraj Prasad IIT Patna
askIITians Faculty 286 Points
9 years ago
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.

Strictly speaking iron isn't a catalyst, because it gets permanently changed during the reaction. It reacts with some of the chlorine or bromine to form iron(III) chloride, FeCl3, or iron(III) bromide, FeBr3.

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