alleryWhat is the formula of the colloidal 'soluble Prussian blue' formed with excess ferrocyanide?
AFe4[Fe(CN)6]3
BFe(SCN)3
CK4[Fe(CN)6]
DKFe[Fe(CN)6]
Answer & Solution
Correct answer: D. KFe[Fe(CN)6]
Excess potassium ferrocyanide gives KFe[Fe(CN)6], which stays colloidal and cannot be filtered.
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