JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 3 September 2020, Shift 2, Chemistry Q31

Question 31 of 75 in this shift, Chemistry question 6 of 25.

A mixture of one mole each of

\mathrm{H_2}

, He and

\mathrm{O_2}

each are enclosed in a cylinder of volume V at temperature T. If the partial pressure of

\mathrm{H_2}

is 2 atm, the total pressure of the gases in the cylinder is :

(1)22 atm
(2)6 atmOfficial answer
(3)14 atm
(4)38 atm

Official answer

Option 2

NTA final key (Sep 2020).

Chapter: States of Matter
Topic: Ideal Gas Laws
Idea tested: Dalton's Law

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.