JEE Main 2022 — Chemical Equilibrium Question with Solution
From: JEE Main 2022 (Online) 26th June Evening Shift
Question
40% of HI undergoes decomposition to H2 and I2 at 300 K. G for this decomposition reaction at one atmosphere pressure is __________ J mol1. [nearest integer]
(Use R = 8.31 J K1 mol1 ; log 2 = 0.3010, ln 10 = 2.3, log 3 = 0.477)
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Show full solutionCorrect answer: 2735
Step-by-step explanation

Given
We know,
= 2735 J/mol
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This is a previous-year question from JEE Main 2022, covering the Chemical Equilibrium 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.