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Sulphide ions react with Na(20[Fe(NO)(CN...

Sulphide ions react with `Na_(20[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

Changes from +2 to +3

B

Changes from +3 to +2

C

Changes from +2 to +4

D

does not change

Text Solution

Verified by Experts

The correct Answer is:
D
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