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What is the difference between physisorption and chemisorption?

Answer»
PhysisorptionChemisorption
1. In this type of adsorption, the adsorbate is attached to the surface of the absorbent with weak Van der Waal’s forces of attraction.1. In this type of adsorption, strong chemical bond is formed between the absorbate and the surface of the absorbent.
2. No new compound is formed in the process.2. New compounds are formed at the surface of the adsorbent.
3. It is generally found  to be reversible in nature.3. It is usually irreversible in nature.


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