Question

what are the Types of Adsorption????????????

Answer 1

Answer:

Explanation:

On the basis of interaction forces between adsorbate and adsorbent, adsorption is of two types.  

Physical adsorption:

This type of adsorption is also known as physisorption. It is due to weak Van der Waals forces between adsorbate and adsorbent.  

For example, H2 and N2 gases adsorb on coconut charcoal.

Chemical adsorption:

This type of adsorption is also known as chemisorption. It is due to strong chemical forces of bonding type between adsorbate and adsorbent. We can take the example involving the formation of iron nitride on the surface when iron is heated in N2 gas at 623 K.  

Adsorption of gas on a solid is a spontaneous exothermic reaction. Amount of heat liberated when a unit mass of a gas is adsorbed on the surface is called heat of adsorption.

Answer 2

Answer:

1.Physical absorption

2.Chemical absorption

3.Activated absorption

Explanation:

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