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JEE Main 7 April 2025, Shift 1, Chemistry Q72

Question 72 of 75 in this shift, Chemistry question 22 of 25, Section B.

The percentage dissociation of a salt (

\mathrm{MX_3}

) solution at given temperature (van't Hoff factor

i = 2

) is ___________ %(Nearest integer)

Official answer

NTA final key.

Chapter: Solutions
Topic: Colligative Properties
Idea tested: Degree of Dissociation from Van't Hoff Factor

Same idea in other shifts

Asked 6× 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.