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Which one of the following characteristi...

Which one of the following characteristics is not correct for physical adsorption ?

A

Adsorption on solids is reversible

B

Adsorption increases with increase in temperature

C

Adsorption is spontaneous

D

Both enthalpy and entropy of adsorption are negative.

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

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

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

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

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

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  9. 3 gram of activated charcoal was added to 50 mL of acetic acid solutio...

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

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

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

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

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

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

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  17. Among the following, correct statement is :

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

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

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

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