JEE Main 2022ChemistrySolutionsRelative Lowering Of Vapour Pressure And Roults LaweasyNumerical

JEE Main 2022Solutions Question with Solution

From: JEE Main 2022 (Online) 28th July Evening Shift

Question

A gaseous mixture of two substances A and B, under a total pressure of atm is in equilibrium with an ideal liquid solution. The mole fraction of substance A is in the vapour phase and in the liquid phase. The vapour pressure of pure liquid is __________ atm. (Nearest integer)

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Show full solutionCorrect answer: 2
Correct answer
2

Step-by-step explanation

Given that

We know that



Now

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About this question

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