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Freundlich isotherm explains the behavio...

Freundlich isotherm explains the behaviour of
adsorption

A

Correctly

B

Approximately

C

Wrongly

D

At very high temperature only

Text Solution

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The correct Answer is:
B
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Which of the following statements are correct with respect to adsorption of gases on a solid ? (i) The ectent of adsorption is equal to KP^(n) according to Freundlich isotherm. (ii) The extent of adsorption is equal to KP^(1//n) according to Frendlich isotherm. (iii) The extent of adsorption is equal to (1+bP)/aP according to Langmuir isotherm. (iv) The extent of adsorption is equal to aP/(1+bP) according to Langmuir isotherm. (v) Freundlich adsorption isotherm fails at low temperature.

Which among the following statements are crrect with respect to adsoption of gases or a solid? (i) The extent of adsorption is equal to kP^(n) according to Freundlich isotherm (ii) The extent of adsorption is equal to kP^(1//n) according to Freundlich isotherm (iii) The extent of adsorption is equal to (1+bP)//aP according to Langmuir adsorption isotherm (iv) The extent of adsorption is equal to ap//(1+bP) according to Langmuir isothem (v) Frecundlch adsorption isotherm fails at low pressure

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

AAKASH INSTITUTE-SURFACE CHEMISTRY -ASSIGNMENT SECTION - A
  1. Which one of the following is not the characteristic of physiorption...

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  2. Physisorption

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  3. Freundlich isotherm explains the behaviour of adsorption

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  4. Which statement is incorrect for chemisorption?

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  5. Name the catalyst and promoter in the Haber's process for the manufact...

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  6. Following reaction is an example of 4NH(3)(g)+50(2)(g)overset(Pt(s))...

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  7. Which one of the following is the source of enzyme pepsin?

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  8. In ostwold's process for the manufacture of nitric acid the catalyst...

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  9. Dispersed phase and dispersion medium of gel are respectively

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  10. Which of the following is not an example of intrinsic (lyophilic) c...

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  11. O/W type emulsion means

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  12. During synthesis of ammonia by Haber's process, 'CO' acts is

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  13. Spontaneous adsorption of a gas on a solid surface is exothermic proc...

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  14. The minimum number of millimoles of electrolyte rquired to coagulate...

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  15. Freundlich isotherm explains the behaviour of adsorption

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  16. In which of the following process adsorption plays an important role...

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  17. Adsorption Theory Of Heterogeneous Catalysis

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  18. Which statement is not correct for zeolites?

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  19. Enzymes are

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  20. Which of the following is not an example of enzyme catalysed reactio...

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