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Question
Chlorobenzene is formed by reaction of chlorine with benzene in the presence of AlCl3. Which of the following species attacks the benzene ring in this reaction?
Options
Cl−
Cl+
AlCl3
[AlCl4]−
MCQ
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Solution
Cl+
Explanation:
Cl+ is an electrophile formed by the following reaction.
\[\ce{AlCl3 + Cl2 -> AlCl4- + Cl+}\]
\[\ce{Cl+}\] attacks the benzene ring to give chlorobenzene.
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