The Kjeldahl's method of nitrogen estimation fails for which of the following reaction products?

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Canvas Classes · Accepted Answer

Step 1: Recall Kjeldahl's Failures

Kjeldahl's method CANNOT estimate nitrogen in compounds where N is present as:
- Nitro groups ()
- Azo groups ()
- Nitrile groups ()
- Heteroaromatic ring N (pyridine-type)
- Diazonium salts

Kjeldahl's method works for: amines, amides, amino acids, proteins (any N convertible to )

Step 2: Identify Products C and D from Reaction Context

From the image options, the reaction products shown include compounds with different N-containing functional groups. Produc

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