Practical Organic Chemistry and PurificationhardMCQ SINGLE⭐ Must-Do

The deep violet coloration observed in the qualitative test for sulphur using sodium nitroprusside iPractical 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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