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Adsorption of gases on solid surface is ...

Adsorption of gases on solid surface is generally exothermic because (IIT Screening) 

A

Enthalpy is positive

B

Entropy decreases

C

Entropy increases

D

Free energy inceases

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The correct Answer is:
B
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AAKASH SERIES-SURFACE CHEMISTRY-Objective Excersice - 1
  1. What is the name given to the phenomenon when bopth absorption and ads...

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  2. Which one of the following is an example of adsorption?

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  3. Adsorption of gases on solid surface is generally exothermic because (...

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  4. the adsorption of solids, from a solution is called

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  5. A graph of adsorption isobar of chemisorption shows that adsorption

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  6. Which of the following is the correct Freundlich's formula? (w=weight ...

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  7. During activation of charcoal -

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  8. The energy of molecules present on the surface of a substance is -

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  9. Which of the following is not correct

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  10. The correct combination from the following given statements about chem...

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  11. Which of the following statement is incorrect regarding physisorptions...

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  12. The correct statements from the following about physical adsorption ...

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  13. The following are some statements about adsorption of solutes from the...

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  14. Concentration process

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  15. Which of the following statements is incorrect with respect to physiso...

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  16. Which one of the following is correct regarding physisorption?

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  17. Which of the following represents chemisorption ? (x = The mass of the...

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  18. A catayst

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  19. The rate of a chemical reaction is increased in presence of a catalyst...

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  20. In heterogeneous catalytic reactions involving solid catalyst and gase...

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