Question

give reasons for why a finely divided substance is more effective as adsorbent.

Answer 1

For a finely divided substance, surface area is more .
We know that , surface area is directly proportional to adsorption..
This may help you......

Answer 2

Answer:Adsorption is directly proportional to the surface area as adsorption is surface phenomenon. A finely divided substance behaves like a good adsorbent because it has a large surface area. Both physisorption and chemisorption increase with an increase in the surface area.