Acetal formation is a reversible reactionROH H -R - OH - H -Under what conditions- the reaction can be forced to proceed only in right forward direction-A- Using excess of alcoholB- Using high temperatureC- Using dilute acid and excess of alcoholD- Using dry acid and excess of alcohol

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Acid Catalysed Acetal Formation

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Question

Acetal formation is a reversible reaction

Under what conditions, the reaction can be forced to proceed only in right (forward) direction?

Using excess of alcohol

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Using high temperature

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Using dilute acid and excess of alcohol

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Using dry acid and excess of alcohol

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Solution

The correct option is D Using dry acid and excess of alcohol
Being reversible reaction, the backward reaction i.e., acetal – hemiacetal step can be restricted by minimizing water content, i.e., by using dry HCl. The step hemiacetal – aldehyde can be restricted by using excess of alcohol.

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Acetal formation is a reversible reaction Under what conditions, the reaction can be forced to proceed only in right (forward) direction?

The correct option is D Using dry acid and excess of alcoholBeing reversible reaction, the backward reaction i.e., acetal – hemiacetal step can be restricted by minimizing water content, i.e., by using dry HCl. The step hemiacetal – aldehyde can be restricted by using excess of alcohol.

Acetal formation is a reversible reaction

Under what conditions, the reaction can be forced to proceed only in right (forward) direction?

The correct option is D Using dry acid and excess of alcohol
Being reversible reaction, the backward reaction i.e., acetal – hemiacetal step can be restricted by minimizing water content, i.e., by using dry HCl. The step hemiacetal – aldehyde can be restricted by using excess of alcohol.