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Why is the heat of adsorption for a phys...

Why is the heat of adsorption for a physical adsorption less compared to a chemical adsorption?

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CHHAYA PUBLICATION-SURFACE CHEMISTRY-WARM UP EXERCISE
  1. Differentiate between physical and chemical adsorption on the basis of...

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  2. Physical adsorption usually involves the formation of a multilayer of ...

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  3. Why is the heat of adsorption for a physical adsorption less compared ...

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  4. Briefly discuss the extent of adsorption of gas on a solid depends on ...

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  5. Why is low temperature favourable for physisorption?

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  6. Why is the extent of chemisorption higher at moderately high temperatu...

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  7. What do you mean by an adsorption isotherm?

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  8. Explain how adsorption of a gas on solids is affected by pressure.

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  9. Write two different ways of activating a solid adsorbent.

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  10. What do you mean by saturation pressure?

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  11. Define a catalyst. What do you mean by catalysis?

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  12. Define with an example of inhibitor .

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  13. Define with an example of promoter .

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  14. Define with an example of catalyst poison.

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  15. What do you mean by activity of a catalyst?

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  16. Explain homogeneous catalysis with an example.

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  17. Explain heterogeneous catalysis with an example.

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  18. Explain shape-selective catalysis with an example.

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  19. Give an example of homogeneous catalysis occurring in gaseous phase

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  20. Give an example of homogeneous catalysis occurring in solution medium...

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