JEE Main 2013 — Solutions Question with Solution
JEE Main 2013 (23 Apr Online)
Question
Vapour pressure of pure benzene is 119 torr and that of toluene is torr at the same temperature. Mole fraction of toluene in vapour phase which is in equilibrium with a solution of benzene and toluene having a mole fraction of toluene , will be :
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
total pressure
where and represents mole fraction in liquid and vapour phase respectively.
on putting values on solving
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This is a previous-year question from JEE Main 2013, 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.