JEE Main 2020 — Hydrocarbons Question with Solution
From: JEE Main 2020 (Online) 9th January Morning Slot
Question
The correct order of heat of combustion for
following alkadienes is :
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: C
Correct answer
C(a) < (b) < (c)
Step-by-step explanation
In lsomers of Hydrocarbon heat of combustion depend upon their stability. Generally trans is more stable then cis form. Stability increase heat of combustion decrease.
Stability a > b > c
Heat of combustion c > b > a
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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.