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Surface Chemistry

Question

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Why does chemisorption have more heat of adsorption than physico-adsorption?

Solution

Answer:

Chemisorption involves strong forces of attraction along with exchange of electrons at free valencies.

Some More Questions From Surface Chemistry Chapter

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?

Name a few common adsorbents.

What property must a good adsorbent have?

Why colloids are regarded as very good adsorbents?

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