JEE Main 2020ChemistryHydrocarbonsMediumMCQ

JEE Main 2020 — Hydrocarbons Question with Solution

JEE Main 2020 (09 Jan Shift 1)

Question

The correct order of heat of combustion for following alkadienes is:

Choose an option

Show full solutionCorrect option: A
Correct answer
Aa<b<c

Step-by-step explanation



∴ Generally trans is more stable than cis form.

Heat of combustion (HOC)∝ 1  Stability 

Stability : a > b > c

HOC : c > b > a

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About this question

This is a previous-year question from JEE Main 2020, covering the Hydrocarbons chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.