Question

Write down the difference between imbibition and osmosis​

Answer 1

Answer:

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Explanation:

Osmosis vs Imbibition

Osmosis

Imbibition

It involves the movement of water or solvent from its higher chemical potential to lower chemical potential. It involves the absorption of solvent or water by a solid substance.

A semipermeable membrane is essential for the operation of osmosis. A semipermeable membrane is not required.

Heat is not produced. Heat is produced.

Osmosis usually operates in solutions separated by semipermeable membrane. Imbibition does not produce a solution.

Osmosis develops a comparatively lower pressure known as osmotic pressure. It can develop a comparatively higher pressure called imbibition pressure.

Osmosis usually requires the presence of solute particles. Imbibition requires the presence of colloidal particles.

Answer 2

Answer:

Differences between Imbibition and Osmosis:-

Imbibition:

1. It refers to absorption of solvent or water by a solid substance.

2. Semi-permeable membrane has no role to play in imbibition.

3. As a result of imbibition, a solution is not formed.

4. Heat is generated during imbibition.

5. A very high imbibition pressure up to 1000 atm. may develop during imbibition.

6. Colloidal particles are required for imbibition.

Osmosis:

1. Osmosis involves the movement of water or solvent from its higher chemical potential to lower chemical potential.

2. It takes place through a semipermeable membrane.

3. It operates between two solutions, separated by a semipermeable membrane.

4. Heat is not generated.

5. A comparatively lower (up to 100 atm.) pressure (viz., osmotic pressure) develops during osmosis.

6. Osmosis requires the presence of solute particles.