NEET 2023 Phase 1 · ChemistryPrevious Year Question
In Lassaigne's extract of an organic compound, both nitrogen and sulphur are present, which gives a blood-red colour with due to the formation of:
Answer: (D) . \textbf{Answer:} (d) \textbf{Solution:} When both N and S are present together in the organic compound, fusion with sodium produces sodium thiocyanate .
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Correct Answer
(D)
Solution & Explanation
\textbf{Answer:} (d) \textbf{Solution:} When both N and S are present together in the organic compound, fusion with sodium produces sodium thiocyanate . The ion then reacts with to form the blood-red complex , confirming the presence of both nitrogen and sulphur.
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