JEE Main 2022ChemistrySurface ChemistryMediumNumerical

JEE Main 2022 — Surface Chemistry Question with Solution

JEE Main 2022 (27 Jun Shift 2)

Question

If the initial pressure of a gas is 0.03 atm, the mass of the gas adsorbed per gram of the adsorbent is____×10-2 g

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Show full solutionCorrect answer: 12
Correct answer
12

Step-by-step explanation

Equation for Freundlich's adsorption isotherm is xm=KP1n

logxm=logK+1nlogP

Intercept logK=0.602=log4

K=4

Slope ⇒1n=1 so n=1

so xm=40.03=0.12=12×10-2g

Hence, the mass of the gas adsorbed per gram of the adsorbent is 12×10-2g

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About this question

This is a previous-year question from JEE Main 2022, covering the Surface Chemistry 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.