In organic analysis, the reagent 2,4 -dinitrophenyl hydrazine is used for the detection of which of

Question

In organic analysis, the reagent 2,4 -dinitrophenyl hydrazine is used for the detection of which of the following functional groups?\

Professor PC Thomas Classes · Answer

(c) : The reagent 2, 4-dinitrophenylhydrazine is used for the detection of carbonyl group, i.e, aldehyde and ketone groups. With carbonyl group, this reagent gives red or yellow ppt. due to the formation of respective hydrazones.\