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Question: Answered & Verified by Expert
Choose from the indicated protons, the one that is most acidic

ChemistryGeneral Organic ChemistryJEE Main
Options:
  • A 1
  • B 2
  • C 3
  • D 4
Solution:
1394 Upvotes Verified Answer
The correct answer is: 4

Deprotonation of hydrogen labelled 4 produces a conjugate base which has more stable resonating structure and a resonance structure in which negative charge is present on the electronegative oxygen atom. Therefore, hydrogen labelled 4 is most acidic.

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