Question

[Adsorption Questions] about Chemistry. Please help and explain each one:

1. The process of adsorption of acetic acid in graphite can be described as:
a) physical adsorption
b) chemical adsorption
c) ion exchange
d) catalytic process
e) a and b are correct

2. The Freundlinch isotherm is based on:
a) the adsorbed phase is in the form of multilayers
b) the adsorption ratio is equal to the dropout rate
c) the amount of adsorbed material is independent of the amount of adsorbent
d) ignore intermolecular forces

e) all of the above

3. The Langmuir isotherm:
a) it has two constant values that depend on the system
b) depends on the concentration of the solution
c) depends on the amount of adsorbent
d) can be expressed linearly
e) all of the above

4. Explain the Isotherm of Freudlich and Langmuir

Answer 1

Graphite is nothing but also form activated charcoal in which adsorbate like acetic acid adsorb on the surface of the adsorbent. hence this represent physical adsorption

(Note : There is no chemical reaction takes place between acid and graphite )

hence OPTION A IS CORRECT

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