Question:
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.
Solution:
Option (i) involved van der Waals forces are universal is the answer.
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