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AIPMT PRELIMS2007Chemistry-Organic Chemistry

AIPMT PRELIMS 2007 Chemistry Ethers MCQ Question

Type: MCQ-conceptual-Medium-Class 11

In the reaction:

CH3−CHCH3∣−CH2−O−CH2−CH3+HI→Heated\text{CH}_3 - \overset{\substack{\text{CH}_3 \\ |}}{\text{CH}} - \text{CH}_2 - \text{O} - \text{CH}_2 - \text{CH}_3 + \text{HI} \xrightarrow{\text{Heated}}

Which of the following compounds will be formed?

A

CH3−CH∣CH3−CH3+CH3CH2OH\text{CH}_3 - \underset{\substack{| \\ \text{CH}_3}}{\text{CH}} - \text{CH}_3 + \text{CH}_3\text{CH}_2\text{OH}

B

CH3−CH∣CH3−CH2OH+CH3CH3\text{CH}_3 - \underset{\substack{| \\ \text{CH}_3}}{\text{CH}} - \text{CH}_2\text{OH} + \text{CH}_3\text{CH}_3

C

CH3−CHCH3∣−CH2OH+CH3−CH2−I\text{CH}_3 - \overset{\substack{\text{CH}_3 \\ |}}{\text{CH}} - \text{CH}_2\text{OH} + \text{CH}_3 - \text{CH}_2 - \text{I}

D

CH3−CHCH3∣−CH2−I+CH3CH2OH\text{CH}_3 - \overset{\substack{\text{CH}_3 \\ |}}{\text{CH}} - \text{CH}_2 - \text{I} + \text{CH}_3\text{CH}_2\text{OH}

Correct Answer

Option B

Detailed Explanation

When primary or secondary alkyl groups are present, it is the lower alkyl group that forms alkyl iodide.

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