alleryThe IUPAC name of K3[Fe(CN)6] is:
APotassium hexacyanoferrate(III)
BPotassium ferricyanide (old name)
CPotassium cyanoferrate(II) hex
DIron tricarbonyl hexapotassium
Answer & Solution
Correct answer: A. Potassium hexacyanoferrate(III)
K3[Fe(CN)6]: K = potassium (cation, named first).
**Inside brackets:** 6 CN⁻ (cyano), Fe in +3 oxidation state.
**Anionic complex ends in '-ate':** hexacyanoferrate(III).
**Old name:** 'potassium ferricyanide'.
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