JEE Main 2023ChemistryStates of MatterEasyNumerical

JEE Main 2023 — States of Matter Question with Solution

JEE Main 2023 (10 Apr Shift 1)

Question

At constant temperature, a gas is at a pressure of 940.3 mm Hg. The pressure at which its volume decreases by 40% is ______ mm Hg. (Nearest integer)

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Show full solutionCorrect answer: 1567
Correct answer
1567

Step-by-step explanation

From Boyle's Law,

P2V2=P1V1 

P1 =940.3 mm of Hg

P2 = Pressure at which volume is reduced by 40%

V2 = Volume decreased by 40%

 V2=V1-0.4 V1=0.6 V1

Then,P2=940.3×V10.6V1

=1567.16 

≈1567 mm Hg

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About this question

This is a previous-year question from JEE Main 2023, 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.