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प्रश्न
What happens when persistent dialysis of a colloidal solution is carried out?
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उत्तर
When prolonged dialysis of a colloidal solution is done, the colloidal solution in the tube would contain a very small of amount of small solute as most of it will be washed out.
This will lead to concentration of the colloidal particles and coagulation of the solution (colloidal sol)
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संबंधित प्रश्न
Explain what is observed when an electric current is passed through a colloidal sol?
Explain the term Electrophoresis
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(i) Lyophobic sol is protected.
(ii) Lyophilic sol is protected.
(iii) Film of lyophilic sol is formed over lyophobic sol.
(iv) Film of lyophobic sol is formed over lyophilic sol.
Match the statement given in Column I with the phenomenon given in Column II.
| Column I | Column II |
| (i) Dispersion medium moves in an electric field | (a) Osmosis |
| (ii) Solvent molecules pass through semi permeable membrane towards solvent side |
(b) Electrophoresis |
| (iii) Movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes |
(c) Electroosmosis |
| (iv) Solvent molecules pass through semi permeable membranes towards solution side |
(d) Reverse osmosis |
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