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Which of the following statements is inc...

Which of the following statements is incorrect regarding physiosorptions ?

A

More easily liquefiable gases are adsorbed readily.

B

Under high pressure it results into multi molecular layer on adsorbent surface.

C

Enthalpy of adsorption `(triangle H_("adsorption"))` is low and positive.

D

It occurs because of van der Waal's forces.

Text Solution

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The correct Answer is:
C
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RESONANCE-SURFACE CHEMISTRY-Exercise-3, Part-II JEE (Main)
  1. In Langumir's model of adosrption of a gas on a solid surface :

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  2. Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10...

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  3. Which of the following statements is incorrect regarding physiosorptio...

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  4. According to Freundlich adsorption isotherm, which of the following i...

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  5. The coagulating power of electrolytes having inos Na^(o+),Al^(3+) and ...

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  6. 3 gram of activated charcoal was added to 50 mL of acetic acid solutio...

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  7. For a linear plot of log(x/m) versus log p in a Freundlich adsorption ...

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  8. The Tyndall effect is observed only when following conditions are sati...

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  9. The following statement relate to the adsorption of gases on a solid s...

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  10. Under ambient conditions, which among the following surfactants will f...

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  11. The most appropriate method of making egg-albumin sol is :

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  12. A particular adsorption process has the following characteristics : (i...

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  13. Gold numbers of some colloids are : Gelatin : 0.005 - 0.01 , Gum Ara...

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  14. Among the following, correct statement is :

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  15. Adsorption of a gas on a surface follows Freundlich adsorption isother...

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  16. Which of the following statements about colloids is False ?

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  17. If x gram of gas is adsobed by m gram of adsorbent at pressure P the ...

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  18. Two compounds I and II are eluted by column chromatography (adsorption...

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  19. Which one of the following is not a property of physical adsorption ?

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  20. Adsorption of a gas follows Freundlich adsorption isotherm. In the giv...

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