JEE Main 2021ChemistrySurface ChemistryAdsorptioneasyMCQ

JEE Main 2021Surface Chemistry Question with Solution

From: JEE Main 2021 (Online) 31st August Morning Shift

Question

Select the graph that correctly describes the adsorption isotherms at two temperatures T1, and T2 (T1 > T2) for a gas :

(x - mass of the gas absorbed ; m - mass of adsorbent ; P - pressure)

Choose an option

Show full solutionCorrect option: A
Correct answer
AJEE Main 2021 (Online) 31st August Morning Shift Chemistry - Surface Chemistry Question 48 English Option 1

Step-by-step explanation

According to Freundlich adsorption isotherm, in the median range of pressure

       

   = kP

On increasing temperature decreases.

Adsorption is generally exothermic in nature. Hence, correct option is (A).

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About this question

This is a previous-year question from JEE Main 2021, 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.