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QJEEM21Ch8a22: JEE Main 2021 Chemistry - Class 12 JEEM21Ch8a22 Solution: Assertion A : Enol form of acetone [CH 3 COCH 3 ] exists in <…

Assertion A : Enol form of acetone [CH3COCH3] exists in < 0.1% quantity. However, the enol form of acetyl acetone [CH3COCH2OCCH3] 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 :

Multiple Choice Options

  • A Both A and R are true but R is not the correct explanation of A
  • B A is true but R is false
  • C A is false but R is true
  • D Both A and R are true and R is the correct explanation of A

Step-by-Step Verified Solution

JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 135 English Explanation
Acetyl acetone in enol form have intramolecular H-bonding, which is absent in acetone.

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