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What is the role of diffusion in heterog...

What is the role of diffusion in heterogeneous catalyst?

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Diffusion of gas molecules occur at the surface of catalyst (solid) followed by adsorption. In the same way, the product formed diffuse from the surface of the catalyst leaving the surface free for more reactant molecules to get adsorbed and undergo reaction.
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NCERT EXEMPLAR-SURFACE CHEMISTRY-Surface Chemistry
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  2. Why is desorption important for a substance to act as good catalyst?

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  3. What is the role of diffusion in heterogeneous catalyst?

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  4. How does a solid catalyst enhance the rate of combination of gaseous ...

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  5. Do the vital functions of the body such as digestion get affected duri...

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  6. Method of formation of solution is given in Column I. Match it with th...

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  7. Match the statement given in Column I with the phenomenon given in Col...

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  8. Match the items given in Column I and Column II. {:(,"Column I","Co...

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  9. Match the types of colloidal systems given in Column I with the name g...

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  10. Match the items of Column I and Column II. {:("Column I","Column II...

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  11. Match the items of Column I and Column II. {:("Column I","Column II...

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  12. Assertion (A) An ordinary filter paper impregnated with collodion solu...

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  13. Assertion (A) Colloidal solution show colligative properties. Reason...

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  14. Assertion (A) Colloidal solutions do not show Brownian motion. Reas...

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  15. Assertion (A) Coagulation power of Al^(3+) is more than Na^(+). Reas...

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  16. Assertion (A) Detergents with low CMC are more economical to use. Re...

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  17. What is the role of adsorption in heterogeneous catalysis?

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  18. What are the applications of adsorption in chemical analysis?

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  19. What is the role of adsorption in froth floatation process used especi...

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  20. What do you understand by shape selective catalysis? Why are zeolites ...

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