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Sodium nitoprusside when added to an alk...

Sodium nitoprusside when added to an alkaline solution of sulphide ions produce a

A

red colouration

B

blue colouration

C

pruple colouration

D

brown colouration

Text Solution

Verified by Experts

The correct Answer is:
C
`underset(("sod. Nitroprusside"))(Na_(2)[Fe(CN)_(5)NO]+Na_(2)S )rarr underset(("Purple"))(Na_(4)[Fe(CN)_(5)NOS])`
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Sodium nitroprusside when added to an alkaline solution of sulphide ions produces

Statement-1:A solution containing S^(2-) ions gives purple/violet colour with sodium nitroprusside solution in alkaline medium. Statement-2 :Sodium sulphide gives black precipitate with silver nitrate solution.

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