Which one of the following acts as the best coagulating agent for ferr – InterviewSolution

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1.	Which one of the following acts as the best coagulating agent for ferric hydroxide sol?A. Potassium ferrocyanideB. Potassium chlorideC. Potassium oxalateD. Aluminium chloride
Answer» Correct Answer - A The efficiency of coagulation of an electrolyte depends upon its valency. Thus `[Fe(CN)_(6)]^(4-)` is the best coagulating agent for `Fe(OH)_(4-)` is the best coagulating agent for `Fe(OH)_(3)` sol.

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