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What are the factors which influence the...

What are the factors which influence the adsorption of a gas on a solid ?

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The extent of adsorption of a gas on a solid depends upon the following factors:
(a) Nature of the adsorbate,
(b) Nature of the adsorbent,
(c) Temperature and (d) Pressure.
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NCERT-SURFACE CHEMISTRY-Exercise
  1. Write differences between physisorption and chemisorption.

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  2. Give reason why a finely divided substance is more effective as an ads...

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  3. What are the factors which influence the adsorption of a gas on a soli...

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

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  5. What do you understand by activation of adsorption ? How is it achieve...

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  6. What role does adsorption play in heterogeneous catalysis ?

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  7. Why is adsorption always exothermic ?

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  8. How are the colloidal solutions classified on the the basis of physica...

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  9. Discuss the effect of pressure and temperature on the adsorption of ga...

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  10. What are lyophilic and lyophobic sols?Give one example of each type ? ...

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  11. What is the difference between multimolecular and macromolecular colli...

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  12. What are enzymes ? Write in brief the mechanism of enzyme catalysis ?

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  13. How are colloids classified on the basis of (i) physical states of c...

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  14. Explain what is observed (i) when a beam of light is passed through ...

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  15. What are emulsions ? What are their different types ? Give an example ...

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  16. How do emulsifiers stabilise emulsion ? Name two emulsifiers.

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  17. Action of soap is due to emulsification and micelle formation. Comment...

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  18. Give four examples of heterogeneous catalytic reactions.

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  19. What do you mean by activity and selectivity of catalysts ?

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  20. Descirbe some features of catalysis by zeolites.

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