By Sunil Bhardwaj
5534 Views
| # | True Solution | Colloidal Solution | Suspension |
|---|---|---|---|
| 1 | The solute molecules in a true solution are not visible, even with a powerful microscope. | The molecules of the dispersed phase cannot be seen with naked eye. However they can be made visible through a powerful microscope. | The particles are so big that they are visible even with naked eye. |
| 2 | The particle size is below 1 nm in diameter. | The particle size is 1 -100 nm in diameter. | The particle size is above 100 nm in diameter. |
| 3 | A true solution forms a homogenous mixture. | A Colloidal Solution is heterogeneous. | Suspension is completely a heterogenous mixture. |
| 4 | The particles of the solute in a true solution can pass through a parchment membrane. | The particles of a colloidal solution can not pass through a parchment membrane. | The particles of the solute in a suspension can not pass through a parchment membrane. |
| 5 | The solute molecules in a true solution can pass through even fine filter paper. | The colloidal particles can also pass through ordinary filter paper, but can not pass through filter paper called ultrafilters. | The suspended particles are retained even by ordinary filter paper. |
| 6 | The osmotic pressure exerted by the solution is relatively more. | Colloidal solution exert a very low osmotic pressure. | No osmotic pressure is observed. |
| 7 | When a strong beam of light is thrown on a true solution, the path of light is not illuminated. | The path of light is visible due to scattering of light when a strong beam of light is passed through a colloidal solution, | No Tyndall effect is observed. |
| 8 | The solution do not posses the property of adsorption (a surface phenomenon). | Colloidal solutions possess remarkable property of adsorption. | The phenomenon of adsorption is much less marked. |
| 9 | No electrical properties such as electroosmosis, cataphoresis and coagulation are observed. | Colloidal solutions exhibit these electrical properties to a great extent. | No such electrical properties are exhibited. |
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Shared publicly - 2019-08-23 00:00:00
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Shared publicly - 2019-08-24 00:00:00
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