Question

how is possible chlorine in benzene ring? ​

Answer 1

Answer: As a chlorine molecule approaches the benzene ring, the delocalised electrons in the ring repel electrons in the chlorine-chlorine bond. It is the slightly positive end of the chlorine molecule which acts as the electrophile. The presence of the aluminium chloride helps this polarisation.

Explanation:

Answer 2

HI MATEEEE....

This page gives you the facts and a simple, uncluttered mechanism for the electrophilic substitution reaction between benzene and chlorine or bromine in the presence of a catalyst such as aluminium chloride or iron. If you want this mechanism explained to you in detail, there is a link at the bottom of the page.

The electrophilic substitution reaction between benzene and chlorine or bromine

The facts

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