JEE Main 2023ChemistrySolutionsRelative Lowering Of Vapour Pressure And Roults LawmediumNumerical

JEE Main 2023Solutions Question with Solution

From: JEE Main 2023 (Online) 12th April Morning Shift

Question

80 mole percent of is dissociated in aqueous solution. The vapour pressure of aqueous solution of at is ____________

Given : Vapour pressure of water at is

Enter your answer

Show full solutionCorrect answer: 47.66
Correct answer
47.66

Step-by-step explanation



Hence overall molality will be equal to



For dil solution

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Solutions chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

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