NEET 2026 Chemistry question
The amino acid that gives a red-blood colour on treating its sodium fusion extract with sodium nitroprusside is
Answer: (3)
Solution
In the Lassaigne test, sulphur in the compound is converted to in the sodium fusion extract, and reacts with sodium nitroprusside to give a deep coloured complex, Na_4[Fe(CN)_5NOS] (violet/purple, described
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