NEET2025Chemistry-Qualitative Analysis
NEET 2025 Chemistry Lassaigne's Test MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which one of the following reactions does NOT belong to “Lassaigne’s test”?
A
Na + C + N Δ → NaCN
B
2Na + S Δ → Na₂S
C
Na + X Δ → NaX
D
2CuO + C Δ → 2Cu + CO₂
Correct Answer
Option D
Detailed Explanation
Lassaigne’s test is used for detecting nitrogen, sulfur, and halogens in organic compounds. Reaction (4) is unrelated to this test.
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