Question

what is meant by flocculation power?

Answer 1

The precipitation of colloidal solution, with the help of addition of excess of an electrolyte is known as flocculation or coagulation. The electrolyte is known as flocculating agent, and the power of an electrolyte to precipitate a colloidal solution is known as flocculating power. It is determined with the help of Hardy Schulze Rule, which state that greater the valency of the ion causing coagulation, greater will be its coagulating or flocculating power.

So, if a colloidal solution can be precipitated by an anion, then higher the negative charge on the anion, greater will be its flocculating power.

And, if a colloidal solution is precipitated by a cation, then higher the positive charge on the cation, greater will be its flocculating power.

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Answer 2

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