Chemistry-Preparation Methods

NEET Chemistry Preparation Methods MCQ Question

Type: MCQ-fact-Hard-Class 12

Which method is NOT applicable for the preparation of aryl halides?

A

Passing dry hydrogen chloride through a solution of alcohol

B

Free radical halogenation of alkanes

C

Electrophilic substitution of arenes with bromine

D

Sandmeyer’s reaction with primary aromatic amines

Correct Answer

Option A

Detailed Explanation

Passing dry hydrogen chloride through a solution of alcohol is a method for preparing alkyl chlorides, not aryl halides, due to the stronger carbon-oxygen bond in phenols. This is specifically mentioned in the context of preparation methods for haloalkanes and haloarenes.

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