Question

Powdered substances are more effective adsorbents than their crystalline form because
1) Adsorption is an exothermic process
2) They become inert and do not react with the adsorbate
3) The extent of adsorption increases with increase in surface area of the adsorbent
4) Adsorption is more if the size of adsorbent is small
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Answer 1

Answer:

Powdered substance are more effective adsorbents than their crystalline from because the surface area the powdered substance is more and we know that physisoration is directly proportional to the surface are of the adsorbent the surface area of the solid