JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 25 July 2022, Shift 1, Chemistry Q83

Question 83 of 90 in this shift, Chemistry question 23 of 30, Section B.

The pressure of a moist gas at

27^\circ

C is

4

atm. The volume of the container is doubled at the same temperature. The new pressure of the moist gas is ______

\times10^{-1}

atm. (Nearest integer) (Given : The vapour pressure of water at

27^\circ

C is

0.4

atm.)

Official answer

NTA final key (2022 Session 2).

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

Same idea in other shifts

Asked 7× in all

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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.