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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