JEE Main · 2021 · Shift-ImediumALDO-125

Assertion (A): Enol form of acetone [CH3COCH3] exists in < 0.1% quantity. However, the enol form of acetyl acetone…

Aldehydes, Ketones & Carboxylic Acids · Class 12 · JEE Main Previous Year Question

Question

Assertion (A): Enol form of acetone [\ceCH3COCH3][\ce{CH3COCH3}] exists in < 0.1% quantity. However, the enol form of acetyl acetone [\ceCH3COCH2OCCH3][\ce{CH3COCH2OCCH3}] exists in approximately 15% quantity. Reason (R): Enol form of acetylacetone is stabilized by intramolecular hydrogen bonding, which is not possible in enol form of acetone.

Choose the correct statement:

Options
  1. a

    Both (A) and (R) are true and (R) is the correct explanation of (A).

  2. b

    (A) is true but (R) is false.

  3. c

    (A) is false but (R) is true.

  4. d

    Both (A) and (R) are true but (R) is not the correct explanation of (A).

Correct Answera

Both (A) and (R) are true and (R) is the correct explanation of (A).

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Assertion (A): Enol form of acetone [CH3COCH3] exists in < 0.1% quantity. However, the enol form of… (JEE Main 2021) | Canvas Classes