Unit 5 Surface Chemistry (Intext Questions-1)-Deleted
Intext Questions
5.1 Write any two characteristics of Chemisorption.
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Answer Physisorption is exothermic in nature. Therefore, in accordance with Le-Chateliere’s principle, it decreases with an increase in temperature. This means that physisorption occurs more readily at a lower temperature.Show Answer
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Powdered substances are more effective adsorbents than their crystalline forms because when a substance is powdered, its surface area increases and physisorption is directly proportional to the surface area of the adsorbent.
