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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
What is the reason for the stability of colloidal sols?
Define the following terms: Associated colloids
Explain what is observed when a beam of light is passed through a colloidal sol.
Explain the terms Coagulation
Which phenomenon occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented?
(i) Reverse osmosis takes place.
(ii) Electroosmosis takes place.
(iii) Dispersion medium begins to move.
(iv) Dispersion medium becomes stationary.
Why do we add alum to purify water?
Assertion: Colloidal solutions do not show brownian motion.
Reason: Brownian motion is responsible for stability of sols.
Give reason for the following:
Lyophilic colloidal solutions are more stable than lyophobic colloidal solutions.
The important factor in the stabilization of a colloidal solution is ______
Coagulation value of the electrolytes AlCl3 and NaCl for As2S3 sol are 0.093 and 52 respectively. The No. of times AlCl3 has greater coagulating power than NaCl is ______.
