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In physisorption, adsorbent does not show specificity for any particular gas because ______________.
(i) involved van der Waals forces are universal.
(ii) gases involved behave like ideal gases.
(iii) enthalpy of adsorption is low.
(iv) it is a reversible process.
Answers (1)
The answer is the option (i).
Physisorption is a byproduct of Van der Waal’s forces between adsorbate and adsorbent, which are universal and hence, physisorption is independent of the gas chosen.
View full answer
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