Chemistry-Preparation Methods

NEET Chemistry Preparation Methods MCQ Question

Type: MCQ-fact-Medium-Class 12

Which method is used for the preparation of aryl halides?

A

Electrophilic substitution of arenes with bromine

B

Free radical halogenation of alkanes

C

Direct reaction of alcohol with hydrogen chloride

D

Heating a mixture of alcohol and concentrated halogen acid

Correct Answer

Option A

Detailed Explanation

Aryl halides can be prepared by electrophilic substitution of arenes with chlorine and bromine in the presence of Lewis acid catalysts. Other methods mentioned are not applicable for aryl halides.

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