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Which of the following is chemisorption...

Which of the following is chemisorption 

A

adsorption of `H_(2)` on Ni at high temperature

B

adsorption of `H_(2)` on charcoal

C

adsorption of moisture on silica gel

D

dehydration by using anhydrous `CaCl_(2)`

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The correct Answer is:
A
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AAKASH SERIES-SURFACE CHEMISTRY-OBJECTIVE EXERCISE - 1 (ADSORPTION)
  1. The nature of forces operating between the adsorbate and the adsorbent...

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  2. Which of the following statements is true in the case of physical adso...

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  3. Which of the following is chemisorption

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  4. Adsorption is multilayered in case of

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  5. Which of the following is not a characteristic of chemisorption

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  6. The temperature above which a gas cannot be liquified even on applicat...

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  7. The higher the critical temperature of the gas

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  8. Freundlich adsorption isotherm is given by the expression (x)/(m)=kp^(...

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  9. The plot of x/m versus temperature at constant pressure is called

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  10. Which of the following is adsorbed to a maximum extent on a given amou...

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  11. Which statement is correct about physical adsorption?

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  12. When 0.1M CH(3)COOH solution is shaken with activated charcoal and the...

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  13. The phenomenon of simultaneous absorption and adsorption is called -

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  14. (x)/(m)=KC^(1//n) where C = Concentration of a m solution, x = wt of a...

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  15. A graph drawn between 'log.(x)/(n)’ and log p on 'X' and 'Y' axis resp...

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  16. Which of the following is not correct

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  17. Which of the following can not act as an adsorbent?

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  18. Which can adsorb maximum amount of H(2)?

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  19. During activation of charcoal -

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

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