JEE Main 2020ChemistryStates of MatterEasyMCQ

JEE Main 2020States of Matter Question with Solution

JEE Main 2020 (03 Sep Shift 2)

Question

A mixture of one mole each of H2 , He and O2 each are enclosed in a cylinder of volume V at temperature T. If the partial pressure of H2 is 2atm, the total pressure of the gases in the cylinder is:

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Show full solutionCorrect option: A
Correct answer
A6 atm

Step-by-step explanation

Pgas=ngasRTV

as n, T &V constant so

PH2=PO2=PHe=2atm

So, PTotal=PH2+PO2+PHe=6 atm

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About this question

This is a previous-year question from JEE Main 2020, covering the States of Matter 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.