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Q. In any ferric salt, on adding potassium ferrocyanide, a prussian blue colour is obtained, which is mainly due to the formation of

BITSATBITSAT 1992Coordination Compounds

Solution:

$\underset{\text{Potassium fertrocyanide}}{Fe^{3+} +K_4 [Fe(CN)_6]} \rightarrow \underset{\text{Prussian blue}}{KFe[Fe(CN)_6]_3 +3K^+}$