Physical adsorption of a gaseous species may change to chemical adsorption with
(i) Decrease in temperature
(ii) Increase in temperature
(iii) Increase in surface area of adsorbent
(iv) Decrease in surface area of adsorbent.
Physical adsorption of a gaseous species may change to chemical adsorption with
(i) Decrease in temperature
(ii) Increase in temperature
(iii) Increase in surface area of adsorbent
(iv) Decrease in surface area of adsorbent.
This is a Multiple Choice Type Questions as classified in NCERT Exemplar
Ans: Correct option is (ii)
On increasing the temperature activation energy of the adsorbate molecule increases which convert physical adsorption into chemisorptions hence the correct option is (ii).
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Chemistry NCERT Exemplar Solutions Class 12th Chapter Five 2025
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