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What are lyophilic and lyophobic colloid...

What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amount of electrolytes ?

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. What happens when an electrolyte is added to ferric hydroxide sol?

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  2. Write the dispersed phase and dispersion medium of the following coll...

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  3. What are lyophilic and lyophobic colloids ? Which of these sols can be...

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  4. Define adsorption with example.

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  5. What are oil in water and water in oil type of emulsions ? Give one ex...

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  6. What is the effect of rise in the temperature on the adsorption of a ...

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  7. What phenomena will occur, when sillica gel and anhydrous calcium chlo...

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  8. Name the catalytic promoter or activater used Haber's process for the ...

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  9. Where the actual catalytic functioning of enzyme starts to occur ?

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  10. How does NaCl behave in water and benzene (or alcohol)?

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  11. What is the size of the insoluble particles present in suspension ?

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  12. How can acetone be prepared from- acetyl chloride

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  13. What is gold number?

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  14. What does the reciprocal of gold number represent ?

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  15. Does the adsorption of a gas on the surface of a solid increase or dec...

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  16. What is an adsorption isotherm? Describe Freundlich adsorption isother...

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

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  18. Why does physisorption decrease with increase of temperature ?

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  19. Why are substances like platinum and palladium often used for carrying...

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  20. What are lyophilic and lyophobic colloids ? Give one example of each.

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