Which one of the following on treatment with 2,4-dinitro phenyl hydrazine?

Which one of the following reacts with 2,4-dinitro phenyl hydrazine?

which of the following does not give a precipitate with 2,4-dinitrophenyl hydrazine and does not react with metallic sodium. It could be

Which of the following does not react with phenyl hydrazine?

Which one of the following compounds will give orange precipitate when treated with 2,4- dinitrophenyl hydrazine ?

Give balanced equations for the following reactions : Acetone reacts with phenyl hydrazine.

Which one of the following would produce an orage coloured precipitate with 2, 4 -dinitrophenyl hydrazine?

Which one of the following amino acid has phenyl OH group?