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Question: Answered & Verified by Expert
Compare heat of hydrogenation of the following

ChemistryGeneral Organic ChemistryJEE Main
Options:
  • A I>II>III
  • B III>II>I
  • C II>III>I
  • D II>I>III
Solution:
2131 Upvotes Verified Answer
The correct answer is: III>II>I
For isomeric alkene
Heat of hydrogenation 1Stabilities of alkene



More the number of α - hydrogen atoms, more is the stability of alkene and less is the heat of hydrogenation value.

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