JEE Main Chemistry question

Reactive species in halogenation of benzene in cold and dark [MP PET 2003]

(A)Cl
(B)ClCorrect
(C)Cl
(D)None of these

Answer: (B)

Solution

Ring halogenation of benzene is an electrophilic aromatic substitution. In the presence of a Lewis acid (e.g. AlCl/FeCl), Cl is polarised and the Lewis acid abstracts

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Question ID VK-142284