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Sodium nitroprusside when added to an al...

Sodium nitroprusside when added to an alkaline solution of sulphide ions produces

A

red

B

blue

C

brown

D

purple

Text Solution

Verified by Experts

The correct Answer is:
D
Purple (deep violet) colour is due to the formation of sodium thionitriprusside, `Na_(4)[Fe(CN)_(5)NOS]`
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Sodium nitoprusside when added to an alkaline solution of sulphide ions produce a

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.

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