JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 25 July 2022, Shift 2, Chemistry Q62

Question 62 of 90 in this shift, Chemistry question 2 of 30, Section A.

Two solutions A and B are prepared by dissolving 1 g of non-volatile solutes X and Y, respectively in 1 kg of water. The ratio of depression in freezing points for A and B is found to be 1:4. The ratio of molar masses of X and Y is

(1)1:4
(2)1:0.25Official answer
(3)1:0.20
(4)1:5

Official answer

Option 2

NTA final key.

Chapter: Solutions
Topic: Colligative Properties
Idea tested: Freezing Point Depression

Same idea in other shifts

Asked 16× 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.