From the following list of organic compounds, identify the ones whose nitrogen content CAN be successfully and quantitatively estimated using the standard Kjeldahl's method:

Question

Prashant Kotian · Accepted Answer

Correct answer: A,B,D. Kjeldahl's method works well for amines (like aniline and benzylamine) and amides (like urea). It fails for compounds containing nitro groups (nitrobenzene), azo groups, or nitrogen strictly within a stable heterocyclic aromatic ring. Therefore, nitrobenzene cannot be estimated this way.

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