Sodium nitroprusside reacts with sulphide ion to give a purple colour due to the formation of
A. `[Fe(CN)_(5)NO]^(2-)`
B. `[Fe(NO)_(5)CN]^(-)`
C. `[Fe(CN)_(5)NOS]^(4-)`
D. `[Fe(CN)_(5)NOS]^(3-)`

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1 Answers

Correct Answer - C
`underset("sodium nitroprusside")([Fe(CN)_(5)NO]^(2-)+S^(2-)) rarr underset("purple colou")|Fe(CN)_(5)NOS|^(4-)`

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