The oxidation states of iron atoms in compounds (A), (B) and (C), respectively, are x, y and z. The sum of x, y and z is ________. Na4[Fe(CN)5(NOS)] (A) Na4[FeO4] (B) [Fe2(CO)9] (C)

Question

The oxidation states of iron atoms in compounds (A), (B) and (C), respectively, are x, y and z. The sum of x, y and z is ________.

Na₄[Fe(CN)₅(NOS)]
       (A)

Na₄[FeO₄]
       (B)

[Fe₂(CO)₉]
       (C)

Correct Answer

Solution

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