Question

What are the differences between freundlich and langmuir adsorption isothers. at least five to six points.

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Freundlich adsorption isotherm                   Langmuir adsorption isotherm

1) It tells about the quantity of gas         1) It tells about the number of active

absorbed by unit mass of solid                 site undergoing adsorption and

absorbent with pressure it is                     pressure.

represented by formula                                    θ=$K_{P} /1+K_{P}$

$x/m=K_{p} ^{1/n}$

2) It provide information about            2) It provides information about

hetrogenity of adsorption site                 homogenity of adsorption site.

3) It failed to explain adsorption          3) It also failed to explain adsorption

at high pressure.                                       at high pressure.

4) It does not  tell anything about       4) It is totally based on adsorption and

adsorption and desorption.                     desorption equilibrium.