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In physical adsorption why x/m decrease with increase in temperature

In physical adsorption why x/m decrease with increase in temperature

Grade:12

3 Answers

Oindrila Ghosh
49 Points
6 years ago
Low temperatures favour physical adsorption and high temperature favour chemisorption.most of the adsorption processes are exothermic.
Vikas TU
14149 Points
6 years ago
Dear Student,
As adsorption is joined by arrival of warmth vitality, so as per Le-Chatelier's standard, the expansion of temperature should diminish the degree of adsorption. This has without a doubt been observed to be so. A plot of x/m versus temperature at steady weight is called adsorption isobar. 
On account of physical adsorption x/m diminishes with increment of temperature. 
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)
Vishal
11 Points
6 years ago
As temperature increase kinetic energy of molecules also increases and due to molecules leaves the surface of adsorbent.and thus rate of desorption increase and adsorption decreases

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