JEE Main 2022ChemistrySolutionsAbnormal Colligative Property And Vant Hoff FactormediumMCQ

JEE Main 2022Solutions Question with Solution

From: JEE Main 2022 (Online) 25th June Evening Shift

Question

Solute A associates in water. When 0.7 g of solute A is dissolved in 42.0 g of water, it depresses the freezing point by 0.2C. The percentage association of solute A in water, is :

[Given : Molar mass of A = 93 g mol1. Molal depression constant of water is 1.86 K kg mol1.]

Choose an option

Show full solutionCorrect option: D
Correct answer
D80%

Step-by-step explanation

Since,



Hence, the percentage association of solute is .

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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.