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Q.

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.
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