Which compound does not give positive test in Lassaigne's test for nit – InterviewSolution

1.	Which compound does not give positive test in Lassaigne's test for nitrogen ?
Answer» Urea HYDRAZINE Azobenzene Phenyl hydrazine Solution :Hydrazine `(H_2N-NH_2)` do not have carbon so no `CN^-` formation occur with NA EXTRACT.

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