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Surface Chemistry
Question
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Give reason why a finely divided substance is much more effective as an adsorbent. 

Answer

Answer:
Adsorption is surface phenomenon therefore adsorption is directly proportional to the surface area.
Finely divided substance has greater surface area. Greater is the surface area of the adsorbent, greater would be its absorbent power. That is why a finely divided surface is more effective as an absorbent.

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