1.

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

Answer»

Ferricyanide
Ferocyanide
Hydrogen cyanide
Sodium cyanide

Solution :`Fe^(3+)+K_(4)overset("II")("["Fe)(CN)_(6)"]"tounderset("Prussian blue (deep blue COLOUR)")(Koverset(III)(Fe)overset(II)("["Fe)(CN)_(6))"]"+3K^(+)`


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