Qstnid -Ii-10- Discuss The Effect Of Pressure And Temperature On The Adsorption Of Gases On Solids. - 05: Surface Chemistry - Neet-xii-chemistry

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NEET-XII-Chemistry

05: Surface Chemistry

page 2

Qstn# II-10 Prvs-Qstn Next-Qstn

#10
Discuss the effect of pressure and temperature on the adsorption of gases on solids.

Ans : Effect of pressure

Adsorption is a reversible process and is accompanied by a decrease in pressure. Therefore, adsorption increases with an increase in pressure.

Effect of temperature

Adsorption is an exothermic process. Thus, in accordance with Le-Chatelier’s principle, the magnitude of adsorption decreases with an increase in temperature.