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Depict graphically the variation of the ...

Depict graphically the variation of the extent of adsorption with temperature at constant pressure for physical and chemical adsorptions.

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A cusrve showing the variation of extent of adsorption with temperature at constant pressure is called……………

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In case of chemical adsorption,

Following is the variation of physical adsorption with temperature.

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Consider the adsorption isotherm given below and interpret the variation in the extent of adsorption (x/m) when a. Temperature increased at constant pressure. b. Pressure increases at constant temperature.

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ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) ( SHORT ANSWER QUESTIONS)
  1. Depict graphically the variation of the extent of adsorption with temp...

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  2. What forces are responsible for attraction of a substance to the surfa...

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  3. Give the mathematical relationship between the extent of adsorption an...

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  4. Derive the variation of x/m versus temperature for physical adsorption...

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  5. Distinguish between physisorption and chemisorption.

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  6. What is an 'adsorption isotherm ? Describe Freundlich adsorption isoth...

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  7. Explain how the phenomenon of adsorption finds application in each of ...

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  8. What is meant by colloid and colloidal state? How does the theory of s...

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

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  10. Distinguish between multimolecular and macromolecular colloids.

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  11. What are multimolecular and macromolecular colloids? Give one example ...

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  12. Define each of the following terms (i) Micelles (ii) Peptization (ii...

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  13. Distinguish between mutlimolecular, macromolecular and associated coll...

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  14. What are micelles ? Give an example of a micellers system.

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  15. Write three differences between true solutions and colloidal solutions...

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  16. How are the following sols produced ? (a) Sulfur sol (b) Collodion.

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  17. Explain briefly dialysis.

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  18. Explain the following terms: Electrodialysis

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  19. Explain the following terms: Phases of a colloidal solution.

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  20. Define Gold number.

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