The physical adsorption of gases on the solid surface is due to

The physical adsorption of gases on the solid surface is due to

Options

(a) van der Waals forces
(b) covalent bonding
(c) hydrogen bonding
(d) all of these

Correct Answer:

van der Waals forces

Explanation:

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  • physical adsorption means a physical change and as we know that in physical change there is no any new bond formation between adsorbate and adsorbent that is they do not react.
    therefore the vaderwaal force is responsible to hold adsorbate and adsorbent together.

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