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A sol may be prepared by a precipitation reaction. Give one such example. How can we find the nature of electric charge on the sol particles ? |
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Answer» Solution :`As_2S_3` SOL MAY be prepared by precipitation reaction as per the following reaction : `As_2O_3 + 3H_2S to As_2S_3 + 3H_2O` We can FIND the nature of charge on colloidal solution by electrophoresis. The colloidal PARTICLES move towards the oppositely charged electrode in an electric field. For example, the colloidal solution of `As_2O_3` is negatively charged and moves towards positive electrode. |
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