JEE Main 2021ChemistryChemical EquilibriumEasyNumerical

JEE Main 2021 — Chemical Equilibrium Question with Solution

JEE Main 2021 (27 Jul Shift 2)

Question

The equilibrium constant for the reaction A(s)⇌M(s)+12O2( g) is Kp=4. At equilibrium, the partial pressure of O2 is _____ atm. (Round off to the nearest integer)

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Show full solutionCorrect answer: 16
Correct answer
16

Step-by-step explanation

Kp=PO21/2=4

∴PO2=16 atm

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About this question

This is a previous-year question from JEE Main 2021, 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.