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Question: Answered & Verified by Expert
The molecule/molecules that has/have delocalised lone pair(s) of electrons is/are
ChemistryGeneral Organic ChemistryWBJEEWBJEE 2019
Options:
  • A I, II and III
  • B I, II and IV
  • C I and III
  • D only III
Solution:
2476 Upvotes Verified Answer
The correct answer is: only III
The molecule in which a lone pair of electrons undergoes conjugation with an alternate double bond is said to be delocalised. The molecule that has delocalised lone-pair of electrons is,

So, option (d) is correct.

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