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Which of the following statements is not...

Which of the following statements is not correct regarding physical adsorption ?

A

It occurs because of van der Waals forces.

B

More easily liquefiable gases are adsorbed readily.

C

Under high pressure it results in multimolecular layer on adsorbent surface.

D

Enthalpy of adsorption `(DeltaH_(ads))` is low and positive.

Text Solution

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The correct Answer is:
D
`DeltaH_(ads)` is low but negative
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