JEE Advanced Chemistry question

Statement 1: In keto-enol tautomerism of dicarbonyl compounds, the enol form is preferred in contrast to the keto-form Statement 2: The enol form is more stable due to resonance

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

In 1,3-dicarbonyl compounds (e.g. acetylacetone), the enol tautomer is indeed favoured over the keto form, so Statement 1 is true. This enol form is stabilised by extended conjugation of the

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Question ID VK-159248