1.

Choose the incorrect statement in respect of physisorption

Answer»

it is not SPECIFIC in nature
It arises because of vander Waal's forces
it is REVERSIBLE in nature
Enthalpy of adsorption is in the range 80-240 kJ `mol^(-1)`

Solution :The heat EVOLVED in PHYSISORPTION is quite low varing generally between 20-40 kJ `mol^(-1)`.


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