Grade 12Physical Chemistry
In physical adsorption why x/m decrease with increase in temperature
3 Answers
Oindrila Ghosh
Approved Tutor Answer9 Years agoLow temperatures favour physical adsorption and high temperature favour chemisorption.most of the adsorption processes are exothermic.
Vikas TU
Approved Tutor Answer9 Years agoDear 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)
Thapar University)
Vishal
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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