MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryCoordination compoundsNomenclature of Coordination Compounds

[Fe(CN)6]3– ion is

A.hexacyanoferrate (II) ion

B.hexacyanoferrate (III) ion✓ Correct

C.hexacyanide iron (III) ion

D.iron (III) hexacyanide ion

Explanation

Here, in the given complex compound [Fe(CN)6]3–, counter ion is being a cation is written first. Within the sphere, ligand is CN which is 6 in number and Fe is the central metal atom and oxidation state of Fe is +3. Hence, the IUPAC number of the given compound will be potassium hexacyanoferrate (III). So, option (b) is the correct answer.

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