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the Langmuir adsorption isotherm is dedu...

the Langmuir adsorption isotherm is deduced using the assumption.

A

The adsorption sites are equivalent in their ability to adsorb the particles.

B

The heat of adsorption varies with coverage.

C

The adsorbed molecules interact with each orther.

D

The adsorption takes place in multi-layers.

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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) Freundlich adsorption isotherm is valid for chemisorption . (a) True (b) False

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 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) The degree of adsorption (x/m) at low pressure will be : (x)/(m) =a (a) True (b) False

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) When "log"((x)/(m)) is plotted against log P, we get a straight line with slope (1/n). (a) True (b) False

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) When ((x)/(m)) is plotted against (1)/(p) ,we get a straight line slope (1/a) and intercept (b/a). (a) True (b) False

What is an adsorption isotherm ?

For Langmuir adsorption isotherm, which is correct?

DINESH PUBLICATION-SURFACE CHEMISTRY -MULTIPLE CHOICE QUESTION BANK (MCQB)
  1. A plot of log (x/m) versus log p for the adsorption of a gas on the su...

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  2. The coagulationof 200 mL of a positive sol took place when 0.73 g HCl ...

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  3. the Langmuir adsorption isotherm is deduced using the assumption.

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  4. In colloidal particles, the range of diameter is :

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  5. Which of the following statements are correct with respect to adsorpt...

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  6. Adsorption is accompanied by

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  7. The formation of micelles takes place only above

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  8. Collodion is a 4% solituon of which one of the following in alcohol-en...

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  9. If x is the amount of adsorbate and m is the amount of adsorbent, whic...

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

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  11. Whch one of the following statement is incorrect about enzyme catalyis...

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  12. Identify the positively charged sol

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  13. Protective sols are:

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  14. Which property of the coloidal solution is independent of the charge o...

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  15. Which of the following statements is incorret about physisorption?

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  16. As the size of the gold particle increases, the colour of the solution...

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  17. Which of the following statements is not correct for the catalyst?

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  18. Fog is a collodal solution of:

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  19. The coagulation values in millimoles per litre of the electrolytes use...

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  20. Which is not correctly matched

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