The deep violet coloration observed in the qualitative test for sulphur using sodium nitroprusside i — Practical Organic Chemistry and Purification Chemistry Question
Question
The deep violet coloration observed in the qualitative test for sulphur using sodium nitroprusside is due to the formation of:
Answer: B
💡 Solution & Explanation
The sulphide ion ($S^{2-}$) reacts with sodium nitroprusside to form the highly colored complex sodium thionitroprusside, $Na_4[Fe(CN)_5NOS]$.
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