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Surface Chemistry

Question

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Which has a higher enthalpy of adsorption, physisorption or chemisorption?

Solution

Answer:
Chemisorption has a higher enthalpy of adsorption. Because it involves chemical bond formation.

Some More Questions From Surface Chemistry Chapter

What is the role of desorption in the process of catalysis?

Why is it essential to wash the precipitate with water before estimating it quantitatively?

What is adsorption?

What do you mean by adsorbent and adsorbate?

What is desorption?

Define physical and chemical adsorption.

Is adsorption exothermic or endothermic?

What is an adsorption isotherm and isobar?

What are the physical states of dispersed phase and dispersion medium of froth?

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