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Question
In physisorption adsorbent does not show specificity for any particular gas because ______.
Options
involved van der Waals forces are universal.
gases involved behave like ideal gases.
enthalpy of adsorption is low.
it is a reversible process.
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Solution
In physisorption adsorbent does not show specificity for any particular gas because involved van der Waals forces are universal.
Explanation:
Physisorption is not specific to any gas since it involves van der Waals forces and no specific bonds are formed.
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