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Question: Answered & Verified by Expert
Consider the following carbanions:



Correct decreasing order of stability is -
ChemistryGeneral Organic ChemistryJEE Main
Options:
  • A II > III > IV > I
  • B III > IV > I > II
  • C IV > I > II > III
  • D I > II > III > IV
Solution:
2406 Upvotes Verified Answer
The correct answer is: II > III > IV > I
carbanion stability MI 1 +I/+HC 1 +M




In (II), stability is increased as there is an electron withdrawing group, hence it stabilizes, but in (I) and (IV), it increases the electron density whereas in (III), there is no functional group attached for electron donation or withdrawal.

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