JEE Main 2022ChemistryStates of MatterMediumNumerical

JEE Main 2022 — States of Matter Question with Solution

JEE Main 2022 (28 Jun Shift 2)

Question

100 g of an ideal gas is kept in a cylinder of 416 L volume at 27 °C under 1.5 bar pressure. The molar mass of the gas is g mol-1. (Nearest integer)
(Given : R=0.083 L bar K-1 mol-1)

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Show full solutionCorrect answer: 4
Correct answer
4

Step-by-step explanation

PV=nRT

1.5×416=100M.wt×0.083×300

M.Wt. =3.99=4 g/mole

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About this question

This is a previous-year question from JEE Main 2022, 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.