Ferric hydroxide sol is more readily coagulated by Na_3PO_4 in compari – InterviewSolution

1.	Ferric hydroxide sol is more readily coagulated by Na_3PO_4 in comparison to KCl.
Answer» Solution :Ferric hydroxide SOL is positively charged and to CAUSE its coagulation, ions carrying negative charge are needed. Since `PO_4^(3-)` ions have HIGHER negative charge than `Cl^–` ions therefore, `Na_3PO_4` COAGULATES the ferric hydroxide sol most efficiently.

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