Which is the correct formula for potassium hexacyanoferrate(II)? A)K[Fe(CN)₂] B)K₂[Fe(CN)₂] C)K₃[Fe(CN)₆] D)K₄[Fe(CN)₆] E)K₆[Fe(CN)₆]

Name: Which is the correct formula for potassium hexacyanoferrate(II)? A)K[Fe(CN) 2 ] B)K 2 [Fe(CN) 2 ] C)K 3 [Fe(CN) 6 ] D)K 4 [Fe(CN) 6 ] E)K 6 [Fe(CN) 6 ]
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Potassium hexacyanoferrate(II) is K₄[Fe(CN)₆], where the iron is in the +2 oxidation state, and the complex ion [Fe(CN)₆]⁴⁻ requires four potassium ions to balance the charge.

Which Is the Correct Formula for Potassium Hexacyanoferrate(II)