Question

If a compound gives an orange or red precipitate with $2,4$-dinitrophenylhydrazine, then the compound is

• A. an alkyl halide
• B. an aryl halide
• C. an amine
• D. a carbonyl compound

Answer 1

Answer: (D)

If compound is a carbonyl compound then it gives an orange or red ppt. with $2,4$-dinitro phenylhydrazine.
is the functional group present in carbonyl compounds.