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  4. Chlorination of benzene in the presence of halogen carrier is an example of

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Q. Chlorination of benzene in the presence of halogen carrier is an example of

NTA AbhyasNTA Abhyas 2022

Solution:

Chlorination of benzene in the presence of halogen carrier is an example of Aromatic electrophilic substitution.
Mechanism of chlorination in brief can be given as follows
$\underset{\text{(halogencarrier)}}{C l - C l + F e C l_{3}} \rightarrow \underset{\text{(electrophile)}}{C l^{+} + F e C \left(l_{4}\right)^{-}}$
Solution
$FeCl_{4}^{-}\xrightarrow{H^{+}}FeCl_{3}+HCl$