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Which of the following in not correct re...

Which of the following in not correct regarding the absorption of a gas on the surface of solid ?

A

On increasing temperature, adsorption increases continuously.

B

Enthalpy and entropy changes are negative.

C

Chemisorption is more specific than physisorption.

D

It is a reversible reaction.

Text Solution

Verified by Experts

The correct Answer is:
A
Adsorption cannot increase continuously on increasing the temperature.
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DINESH PUBLICATION-SURFACE CHEMISTRY -MULTIPLE CHOICE QUESTION BANK (MCQB)
  1. Which of the following is used for removing charge on colloidal soluti...

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  2. Action of shape selective catayst depends upon :

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  3. Which of the following in not correct regarding the absorption of a ga...

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  4. According to the adsorption theory of catalysis, the speed of the reac...

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  5. Bredig's Arc Methof cannot be used to prepare colloidal solution of :

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  6. A plot of log (x/m) versus log p for the adsorption of a gas on the su...

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  7. The coagulationof 200 mL of a positive sol took place when 0.73 g HCl ...

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  8. the Langmuir adsorption isotherm is deduced using the assumption.

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  9. In colloidal particles, the range of diameter is :

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  10. Which of the following statements are correct with respect to adsorpt...

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  11. Adsorption is accompanied by

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  12. The formation of micelles takes place only above

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  13. Collodion is a 4% solituon of which one of the following in alcohol-en...

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  14. If x is the amount of adsorbate and m is the amount of adsorbent, whic...

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  15. In freundlich adsorption isotherm, the value of 1/n is :

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  16. Whch one of the following statement is incorrect about enzyme catalyis...

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  17. Identify the positively charged sol

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  18. Protective sols are:

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  19. Which property of the coloidal solution is independent of the charge o...

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

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