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In physisorption, the adsorbent does not show specificity towards a particular gas.

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in Chemistry – Class 12 by (188k points)
In physisorption, the adsorbent does not show specificity towards a particular gas.

(a) True

(b) False

I got this question by my school principal while I was bunking the class.

My question is based upon Surface Chemistry topic in portion Surface Chemistry of Chemistry – Class 12

1 Answer

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Correct answer is (a) True

Explanation: In physisorption, there is no chemical bond between the adsorbent and adsorbate. They are held together by Van der Waals forces. Since Van der Waals forces are universal and almost same for all gases, the adsorbent does not show specificity to a particular gas.

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