1.

Explain why finely divided substance is more effective adsorbent.

Answer»

Adsorption is a surface phenomenon. The extent of adsorption depends on the surface area, therefore adsorption is directly proportional to surface area. A finely divided substance like nickel, platinum and porous substances like charcoal, silica gel provide large surface area. Hence, finely divided substances behave as good adsorbent.



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