Assertion A : Enol form of acetone CH 3 COCH 3 exists in 0 . 1 % quantity. However, the enol form of acetyl acetone CH 3 COCH 2 OCCH 3 exists in approximately 15 % quantity. Reason R : enol form of acetyl acetone is stabilized by intramolecular hydrogen bonding, which is not possible in enol form of acetone. Choose the correct statement:

Question

Assertion A : Enol form of acetone CH 3 COCH 3 exists in 0 . 1 % quantity. However, the enol form of acetyl acetone CH 3 COCH 2 OCCH 3 exists in approximately 15 % quantity. Reason R : enol form of acetyl acetone is stabilized by intramolecular hydrogen bonding, which is not possible in enol form of acetone. Choose the correct statement:, A is false but R is true, Both A and R are true and R is the correct explanation of A, Both A and R are true but R is not the correct explanation of A, A is true but R is false

MARKS App · Accepted Answer

Acetyl acetone in enol form have intramolecular H-bonding, which is absent in acetone. enol form of Acetyl acetone is stabilised by conjugation and by intramolecular H-bonding. enol form of acetone is very less 0 . 1 %

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