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The equation for Freundlich adsorption i...

The equation for Freundlich adsorption isotherm is

A

`x/m= kp^(1//n)`

B

`X = mkp^(1//n)`

C

`x//m = kp^(-n)`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
`x/m = kp^(1//n) or x = m.kp^(1//n) or x//m = kp^(-n)`
All of these equation represent freundlich adsorption isotherm.
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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

Knowledge Check

  • The equation for Freundlich adsorption isotherm under high pressure is

    A
    `(x)/(m) prop p^(1//n)`
    B
    `(x)/(m ) prop p^(@)`
    C
    `(x)/(m) prop (1)/(p)`
    D
    `(x)/(m) prop p`

  • Freundlich's adsorption isotherm is given by

    A
    `(x)/(m)=klogP^(1//n)`
    B
    `(m)/(x)=klogP^(1//n)`
    C
    `(m)/(x)=(1)/(kP^(1//n))`
    D
    `(x)/(m)=(1)/(kP^(1//n))`

  • Freundlich adsorption isotherm is applicable at:

    A
    low pressure
    B
    high pressure
    C
    moderate pressure
    D
    high temperature

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

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    Explain Freundlich adsorption isotherm.

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