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Question: Answered & Verified by Expert
The increasing order of the pKa values of the following compounds is
ChemistryGeneral Organic ChemistryJEE Main
Options:
  • A C < B < A < D
  • B B < C < A < D
  • C D < A < C < B
  • D B < C < D < A
Solution:
1058 Upvotes Verified Answer
The correct answer is: B < C < A < D
Ka stability of phenoxide ion dispersal of –ve charge
pKa1Ka

Stability of phenoxide ion = b > c > a > d
Ka= B > C > A > D
Hence values of pKa in increasing order are B < C < A < D.

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