JEE Main 2025 — Solutions Question with Solution
JEE Main 2025 (23 Jan Shift 2)
Question
When a non-volatile solute is added to the solvent, the vapour pressure of the solvent decreases by 10 mm of Hg . The mole fraction of the solute in the solution is 0.2 . What would be the mole fraction of the solvent if decrease in vapour pressure is 20 mm of Hg ?
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Show full solutionCorrect option: D
Correct answer
D0.6
Step-by-step explanation
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This is a previous-year question from JEE Main 2025, 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.