A) Magnesium chloride
B) Hydrochloric acid
C) Aluminium chloride
D) Potassium oxalate
E) Potassium ferricyanide
Correct Answer: E
Solution :
Potassium ferricyanide acts as the best coagulating agent for ferrichydroxide sol due to higher valency of ferricyanide ion \[{{[Fe{{(CN)}_{6}}]}^{4-}}\]. (Hardy-SchuIze rule)You need to login to perform this action.
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