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  4. The chemical formula of Prussian blue is formed by the reaction of ferric ion and ferrocyanide is

Q. The chemical formula of Prussian blue is formed by the reaction of ferric ion and ferrocyanide is

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Solution:

The chemical formula of Prussian blue is .
reacts with sodium ferrocyanide to give Ferric hexacyanoferrate(II) (Prussian blue) as follows

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