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Prussian blue is obtained by mixing together aqueous solution of `Fe^(3+)` salt with

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Prussian blue is obtained by mixing together aqueous solution of `Fe^(3+)` salt with
A. Ferricyanide
B. Ferrocyanide
C. Hydeogen cyanide
D. Sodium cyanide.
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Correct Answer - B
`Fe^(3+)+[overset(II)(Fe)(CH)_(6)]^(-)rarr overset(III)KFe[overset(II)Fe(CN)_(6)]+3K^(+)` Prussian blue (Deep blue colour)
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