TS EAMCET 14-Sep-2020 Shift 2 Solved Paper

Adsorption processes are exothermic (∆H<0) and degree of randomness of adsorbate particles decreases, i.e. ∆S<0
According to Gibbs' equation, ∆G=∆H−T∆S
at lower temperature adsorption becomes spontaneous, i.e. ∆G<0