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Which of the following statements is inc...

Which of the following statements is incorret about physisorption?

A

It is reversible in nature. (b) It forms multilayer, (c) It involves high activation energy

B

It forms multilayer,

C

It involves high activation energy.

D

The extent of physisorption decreases with increase of temperature

Text Solution

Verified by Experts

The correct Answer is:
C
As physisorption involves no chemical reaction, no activation energy is required for the adsorption to occur.
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DISHA PUBLICATION-SURFACE CHEMISTRY-Exercise-1 : Concept Builder (TOPICEWISE)
  1. How many layers are adsorbed in chemical adsorption?

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  2. Freundlich equation for adsorption of gases (in amount of Xg) on a sol...

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  3. Which of the following statements is incorret about physisorption?

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  4. The adsorption of gas on a solid surface varies with pressure of the g...

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  5. Adsorption is the tendency of accumulation of molecular species at the...

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  6. For adsorption of a gas on a solid, the plot of log (x//m) vs log P is...

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  7. Which is adsorbed in maximum amount by activated charcoal?

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  8. At high pressure, the entire surface gets covered by a monomolecular l...

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  9. Adsorption is accompanied by :

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  10. One gram of charcoal adsorbs 100 mL of 0.5 M CH(3)COOH to form a mono-...

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  11. one gram of activated carbon has a surface are of 1000m^(2). Consideri...

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  12. At 1 atm and 273 K the volume of nitrogen gas required to cover a samp...

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  13. A sample of 16 g charcoal was brought into contact with CH(4) gas cont...

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  14. What is shape - selective catalysis ?

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  15. Ziegler-Natta catalyst is:

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  16. Hydrolysis of urea is an example of

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  17. When KClO(3) is heated, it decomposes into KCl and O(2). If some MnO(2...

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  18. Which one of the following is an example of homogeneous catalysis ?

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  19. Which of the following statement about the catalyst is/are true?

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  20. Crystalloids differ from colloids mainly is respect of :

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