Select the correct I.U.P.A.C name for Fe4[Fe(CN)6]3 :
A
Iron (III) hexacyanidoferrate (II)
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B
Iron (III) hexacyanidoferrate (III)
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C
Iron (III) hexacyanidoiron (III)
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D
Iron (II) hexacyanidoiron (II)
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Solution
The correct option is B Iron (III) hexacyanidoferrate (II)
In the complex, iron outside the sphere is in +3 oxidation state while iron within the coordination sphere is in -2 oxidation state so named ferrate and oxidation states are written in roman letters within the brackets.
Option (A) is correct. The correct I.U.P.A.C name for Fe4[Fe(CN)6]3 is iron (III) hexacyanidoferrate (II)