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Question

Which one of the following is an incorrect statement for physisorption


A

It is a reversible process

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B
It requires less heat of adsorption
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C

It requires activation energy

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D

It takes place at low temperature

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Solution

The correct option is C

It requires activation energy


Physiorption is a process in which the particles of adsorbate are held to the surface of adsorbent by physical forces hence does not requires activation energy.


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