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Why the adsorption is exothermic in nature ?

Why the adsorption is exothermic in nature ?

Grade:11

1 Answers

Ashwin Sinha
520 Points
9 years ago

Dear Student,

 

As adsorbtion involves d attraction of molecules of the adsorbate on d adsorbant,energy is released.Thatz y heat of adsorbtion is alwyz  --ve i.e. adsorbtion is an exothermic process.Further heat evolved in physical adsorbtion is lower than chemical adsorbtion becoz  in former there r stong forces of attraction while as in latter weak vander waal's forces exist..!!!!

 

 

       Good Luck!!!!!!!!!

 

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