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What is the effect on entropy change (tr...

What is the effect on entropy change `(triangle S)` in adsorption?

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The correct Answer is:
Entropy decreases.
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AAKASH INSTITUTE-SURFACE CHEMISTRY -TRY YOURSELF
  1. Why is adsorption always exothermic ?

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  2. What is the effect on entropy change (triangle S) in adsorption?

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  3. Which adsorption takes place at low temperature?

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  4. Low temperature is favourable for ……….. reactions.

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  5. Which type of gases are readily adsorbed by solids?

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  6. Write any two characteristics of Chemisorption.

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  7. Why does physisorption decrease with increase in temperature ?

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  8. What is the change in mass and composition of catalyst after the compl...

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  9. Write the name of scientist who suggested the term catalyst first?

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  10. Metals of how many groups of periodic table show macimum catalytic act...

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  11. Which catalyst is used to convert alcohol directly to petrol?

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  12. What are optimum temperature and pH for the enzymes to act best ?

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  13. Which enzyme converts milk into curd?

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  14. By which method precipitate is converted into colloids?

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  15. Give one example each of multimolecular and macro-molecular colloids.

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  16. Explain the cleansing action of soaps.

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  17. What is the dispersed phase and dispersion medium in gel?

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  18. Why true solutions do not exhivit tyndall effect?

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  19. Write the name of four methods to coagulate lyphobic colloids

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  20. What is most accepted reason for the presence of charge on colloids?

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