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General Mechanism of Electrophilic Aromatic Substitution

The reaction ...

Question

The reaction $C_{6} H_{6} + C H_{3} A l C l_{3} - ----- \to a n h y d r o u s H C l + C_{6} H_{5} C H_{3}$ is:

A

Friedel-Crafts alkylation

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B

addition reaction

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C

Friedel-Crafts acylation

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D

Friedel -Craft's benzylation

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Solution

The correct option is C Friedel-Crafts alkylation
The reaction of benzene in the presence of $A l C l_{3}$ in anhydrous conditions is Friedel-Crafts alkylation reaction. It is a substitution reaction. Hydrogen is substituted by an alkyl group.

Friedel-Crafts acylation is the addition of $- C O R$ group.
Friedel-Crafts benzylation is the addition of a benzene group.

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