Question

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

• A.
• B.
• C.
• D.

Answer 1

The correct option is C

2, 4 DNP (2,4-dinitrophenyl hydrazine) test is used to identify aldehyde and ketone group. It gives condensation reaction with carbonyl compounds. It gives yellow/orange precipitate with carbonyl containing compounds.
give orange ppt with 2,4-dinitrophenyl hydrazine.

General reaction:


Hence, option (d) is correct.