Sulphide ions react with `Na_(2) [Fe(NO)(CN)_(5)]` to form a purple coloured compound `Na_(4)[Fe(CN)_(5)(NOS)]`. In the reaction, the oxidation state
Sulphide ions react with `Na_(2) [Fe(NO)(CN)_(5)]` to form a purple coloured compound `Na_(4)[Fe(CN)_(5)(NOS)]`. In the reaction, the oxidation state of iron:
A. Sulphur, `Na_(4)[Fe(CN)_(2)NOS]`
B. Nitrogen, `Na_(4)[Fe(CN)_(6)]`
C. Sulphur, `Na_(2)[Fe(CN)_(4)NOS]`
D. Sulphur, `Na_(2)[Fe(CN)NOS]`
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Correct Answer - A
(a) `Na_(2)[Fe(CN)_(5)NO]+Na_(2)S 3//4® Na_(4) [Fe(CN)_(5)NOS]` violet colour, sulphur is confirmed.
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