I. In adsorption process, the value of ΔH is always negative.II. During adsorption, surface area of adsorbent decreases. Which of the above statements is/are true? Choose the correct option.
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a
Only I
b
Only lI
c
I and II
d
None of these
answer is A.
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Detailed Solution
Adsorption is an exothermic process, ΔH=−ve. Extent of adsorption increase with the increase of surface area per unit mass of the adsorbent.