A) \[[{{K}_{4}}[Fe{{(CN)}_{6}}]\]
B) \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]
C) \[{{K}_{3}}[Fe{{(CN)}_{3}}]\]
D) \[{{K}_{3}}[Fe{{(CN)}_{4}}]\]
Correct Answer: B
Solution :
Potassium ferricyanide is a complex compound of iron in which iron is present in+ 3oxidation state. \[{{\text{K}}_{\text{3}}}\text{ }\!\![\!\!\text{ }\overset{\text{III}}{\mathop{\text{Fe}}}\,{{\text{(CN)}}_{\text{6}}}\text{ }\!\!]\!\!\text{ }\]is potassium ferricyanide or potassium hexacyanoferrate (III) \[{{\text{K}}_{4}}[Fe{{(CN)}_{6}}]\]is potassium ferrocyanide or potassium hexacyanoferrate (II)
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