1.

Assertion: 2-Butenal lacks enolisable H-atom, alpha-to carbonyl group, still it has sufficient acidic character. Reason: The conjugate base of 2-butenal is stabilised by resonance.

Answer»

if both assertion and RESON are true, and REASON is the true EXPLANATION of the assertion.
If both assertion and reason are true, but reason is not the true explanation of the assertion.
if assertion is true, but reason is false.
If both assertion and reason are false.

Solution :Reason is the CORRECT explanation of the assertion.



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