Physical adsorption of a gaseous species may change to chemical adsorption with

Options

A. decrease in temperature
B. increase in temperature
C. increase in surface area of adsorbent
D. decrease in surface area of adsorbent

Answer

B

Explanation

On increasing temperature physisorption changes to chemisorption. As temperature increase , energy of activation of adsorbate particles increases which lead to Hence , physisorption transform into chemisorption.