AIIMS2010Chemistry-Organic Reactions

AIIMS 2010 Chemistry Aldol Condensation Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 12

Assertion: Aldol condensation can be catalysed both by acids and bases. Reason: β-Hydroxy aldehydes or ketones readily undergo acid catalysed dehydration.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Correct Answer

Option B

Detailed Explanation

Both carbocations (formed in presence of base) and enol form (formed in presence of an acid) act as nucleophiles and hence on the carbonyl group of aldehydes and ketones to give aldols.

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