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The heat of adsorption of physical adsor...

The heat of adsorption of physical adsorption is nearly

A

20 - 40 kJ /mol

B

40 - 100 kJ / mol

C

40 - 200 kJ / mol

D

40 - 400 kJ / mol

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-SURFACE CHEMISTRY -Exercise
  1. Which is not a characteristic of physical adsorption ?

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  2. Adsorption depends upon

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  3. According of Langmuir adsorption isotherm amount of gas adsorbed at ve...

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  4. In Freundlich adsorption isotherm, at moderate pressure extent of adso...

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  5. What do you understand by adsorption isotherm and adsorption isobar ? ...

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  6. 50 ml of 1 M oxalic acid (mol. wt. = 126) is shaken with 0.5 g of w...

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  7. In case of chemical adsorption,

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  8. The heat of adsorption of physical adsorption is nearly

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  9. For the adsorption, generally

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  10. In Freundich adsorption isotherm The slope of the AB line

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  11. Tyndall effect in colloidal solution is due to

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  12. Select the positive sol in the following

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  13. 0 . 25 g lyophillic colloid is added to 100 ml gold solution to preven...

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  14. The gold number of Galatin . Gum and Starch are 0.005, 0 . 15 and 25 r...

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  15. What will be nature of charge on colloidal particie when FeCl(3) is ...

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  16. Tyndall effect is more effectively shown by

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  17. An emulsifier is a substance which :

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  18. The potential differnce between the fixed particles layer and the diff...

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  19. The maximum power to precipitate arsenious suiphide is of

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  20. Which one of the following statements is not correct ?

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