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The upcoming discussion will update you about the differences between Diffusion and Imbibition.
Difference # Diffusion:
1. Diffusion is movement of substances from the region of their higher concentration to the region of lower concentration.
2. An adsorbent is absent.
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3. All the substances present in the medium show diffusion.
4. There is little change in pressure.
5. Energy is not liberated.
6. There is no change in volume.
Difference # Imbibition:
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1. Diffusion is absorption of water by the particles of a solid without forming a solution.
2. Imbibition only occurs when an adsorbent ( =imbibant) is present.
3. Only the liquid diffuses. The solid particles do not diffuse.
4. A very high pressure develops on imbibition.
5. Heat is liberated during imbibition.
6. The imbibant swells up but the swelling is less than volume of imbibate.
