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The correct statements from the followin...

The correct statements from the following about physical adsorption
I) desorption of adsorbate gas from adsorbent is not easy since chemical forces are involved
II) Its energy of activation is very low.
III)Easily liquifiable gases are more readily adsorbed. 

A

all are correct

B

only (II) and (III)

C

only (I) and (III)

D

only I and II

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-SURFACE CHEMISTRY-OBJECTIVE EXERCISE - 1 (ADSORPTION)
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  2. Freundlich adsorption isotherm is given by the expression (x)/(m)=kp^(...

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

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

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  5. Which statement is correct about physical adsorption?

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

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

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

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

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  10. Which of the following is not correct

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

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

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  13. During activation of charcoal -

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

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  15. Which of the following is not correct

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

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

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  19. The following are some statements about physical adsorption A) invol...

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