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Surface Chemistry

Question
CBSEENCH12006412
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Why does physisorption decrease with the increase of temperature?

Solution
Short Answer
Answer:

It is because physical adsorption involves weak forces of attraction between adsorbent and adsorbent molecules, generally of Vander Waal's type. These forces decrease rapidly with increase in temperature.

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Why are powdered substances more effective adsorbents than their crystalline forms?

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