1. Heat of adsorption is greater for chemisorption than physisorption.

1.	1. Heat of adsorption is greater for chemisorption than physisorption. Why? 2. What is colloldion? 3. Differentiate between peptization and coagulation.
Answer» 1. Due to the formation of chemical bond between adsorbate and adsorbent. 2. 4% solution of nitro cellulose in a mixture of alcohol and ether. 3. Peptisation is the process of converting a precipitate into colloidal sol by adding an electrolyte. Rut coagulation is the settling of colloidal particles

1. Heat of adsorption is greater for chemisorption than physisorption. Why? 2. What is colloldion? 3. Differentiate between peptization and coagulation.

Answer»

1. Due to the formation of chemical bond between adsorbate and adsorbent.

2. 4% solution of nitro cellulose in a mixture of alcohol and ether.

3. Peptisation is the process of converting a precipitate into colloidal sol by adding an electrolyte. Rut coagulation is the settling of colloidal particles

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1. Heat of adsorption is greater for chemisorption than physisorption. Why? 2. What is colloldion? 3. Differentiate between peptization and coagulation.

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