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Chemistry-Chemical Reactions

NEET Chemistry Chemical Reactions MCQ Question

Type: MCQ-numerical-Medium-Class 12

Arrange the following alcohols in order of their increasing ease of dehydration: methanol, ethanol, propan-2-ol, 2-methylpropan-2-ol.

A

Methanol < Ethanol < Propan-2-ol < 2-Methylpropan-2-ol

B

2-Methylpropan-2-ol < Propan-2-ol < Ethanol < Methanol

C

Ethanol < Methanol < 2-Methylpropan-2-ol < Propan-2-ol

D

Propan-2-ol < 2-Methylpropan-2-ol < Methanol < Ethanol

Correct Answer

Option A

Detailed Explanation

The ease of dehydration of alcohols follows the order: Tertiary > Secondary > Primary. 2-Methylpropan-2-ol is tertiary, propan-2-ol is secondary, and methanol and ethanol are primary.

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