Question

Define adsorption with an example. why is adsorption
Exothermic in nature? write the types of adsorption
based on the nature of forces between adsorbate &
adsorbant.​

Answer 1

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Explanation: Adsorption unbalanced residual forces. This causes a decrease in surface energy and thus,adsorption is exothermic. Types of adsorption based on nature of forces between adsorbent and adsorbate: Physisorption: Force acting b/w adsorbent and adsorbate is weak vanderwaals force.