Question

Choose the incorrect statement inrespect of physisorption​

Answer 1

Answer:

1. it is not specific in nature
2. It arises because of vander Waal's forces
3. it is reversible in nature
4. Enthalpy of adsorption is in the range 80-240 kJ

Answer :

D

The heat evolved in physisorption is quite low varing generally between 20-40 kJ