Question
Write down the differences between diffusion and osmosis.
✓
Answer
Diffusion | Osmosis | ||
1. | Diffusion can occur in any medium. | 1. | It occurs only in liquid medium. |
2. | The diffusing molecules may be solids, liquids or gases. | 2. | It involves movement of solvent molecules only. |
3. | Semipermeable membrane is not required. | 3. | Semipermeable membrane is required. |
4. | An equilibrium in the free energy of diffusion molecules is achieved in the system. | 4. | Equilibrium in the free energy of solvent molecules is never achieved. |
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