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In freundlich adsorption isotherm, the v...

In freundlich adsorption isotherm, the value of 1/n is :

A

between 2 and 4 in all cases

B

1 in case of physical adsorption

C

1 in case of chemisorption

D

between 0 and 1 in all cases

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The correct Answer is:
D
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In frenudlich adsorption isotherm, the value of 1//n is

Freundlich adsorption isotherm is obeyed by the adsorption where the adsorbate forms a multimolecular layer on the surface of adsorbent .In such cases, the degree of adsorption varies linearly with pressure but at high pressure, it becomes independent of pressure The relation of Freundlich adsorption isotherm is : (x)/(m)=kP^(1//n) where ,K and n are constants. Langmuir adsorption isotherm is obeyed by the adsorption where the adsorbate forms only a unimolecular adsorbed layer. The mathematical relation of Langmuir isotherm is : (x)/(m) = (aP)/(1+bP) In the mathematical relation of Freundlich adsorption isotherm ,the value of (1/n) is 0 le (1)/(n) le 1 . (a) True (b) False

Freundlich adsorption isotherm is

In the Freundlich adsorption isotherm, the value of x/m is 0.4 under a pressure of 0.2 atm. Calculate the value the intercept.

In the Freundich adsorption isotherm, the value of ((1)/(n)) is between 0 and ………… .

NARAYNA-SURFACE CHEMISTRY -EXERCISE - 3
  1. The homogenous catalysis is shown by

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  2. Which of the following statements are true for hydrophilic solution ?

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  3. Which of the following properties are related to physical adsorption ?

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  4. The best condition for hetergeneous catalysis is

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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 physissorptio...

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  7. Select the incorrect statement

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  8. Four different colloids have the following gold number, which one has ...

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  9. Adsorption is an exothermic process. The amount of substance adsorbed ...

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  10. Fog is a colloidal solution of

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  11. Which characteristic is not associated with chemical adsorption?

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  12. Positve Catalyst

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  13. The protecting power of lyophilic colloidal sol is expressed in terms ...

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  14. In freundlich adsorption isotherm, the value of 1/n is :

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  15. Which one of the following statements is incorrect about enzyme cataly...

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  16. According to Hardy schultz law, the floculating power of an ion increa...

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  17. Which property of colloids is not dependent on the change on colloidal...

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  18. Which of the following statement is correct for the spontaneous adsorp...

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  19. Fog is a colloidal solution of

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  20. The coagulation value in millimoles per litre of the electrolyes used ...

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