Assertion (A) : $C H_{3} C H O$ on reaction with dil. NaOH forms aldol.
Reason (R) : Aldehydes and ketones having $α$ -hydrogen undergo aldol condensation.

Both A and R are true and R is the correct explanation of A

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Both A and R are true and R is not the correct explanation of A

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A is true but R is false

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A is false but R is true

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Solution

The correct option is D Both A and R are true and R is the correct explanation of A
Assertion is correct.

Reason is also correct because aldehyde has 3 alpha hydrogen atoms so can easily undergo aldol condensation reaction.

Option A is correct.

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Assertion (A) : CH3CHO on reaction with dil. NaOH forms aldol.Reason (R) : Aldehydes and ketones having α-hydrogen undergo aldol condensation.

The correct option is D Both A and R are true and R is the correct explanation of AAssertion is correct.Reason is also correct because aldehyde has 3 alpha hydrogen atoms so can easily undergo aldol condensation reaction.Option A is correct.

Assertion (A) : $C H_{3} C H O$ on reaction with dil. NaOH forms aldol.
Reason (R) : Aldehydes and ketones having $α$ -hydrogen undergo aldol condensation.

The correct option is D Both A and R are true and R is the correct explanation of A
Assertion is correct.

Reason is also correct because aldehyde has 3 alpha hydrogen atoms so can easily undergo aldol condensation reaction.

Option A is correct.