(a) Heat of adsorption is greater for chemisorption than physisorption – InterviewSolution

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1.	(a) Heat of adsorption is greater for chemisorption than physisorption. Why? (b) What is colloidion? (c) Differentiate between peptization and coagulation.
Answer» Solution :(a) Due to the formation of chemical bond between adsorbate and ADSORBENT. (b) 4% solution of nitro CELLULOSE in a MIXTURE of alcohol and ether. (c) Peptisation is the process of converting a precipitate into colloidal sol by adding an electrolyte. But coagulation is the SETTLING of colloidal particles.

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