Functional Groups - 2,4 Dinitrophenylhydrazine Test
The 2,4 Dinitrophenylhydrazine Test
Shows positive test for:
aldehydes and ketones
Reactions:
reacts with the carbonyl group of aldehydes and ketones
How to perform the test:
Five drops of the compound to be tested are mixed with 5 drops of the dinitrophenylhydrazine reagent (an orange solution) in 2 ml of ethanol and the tube shaken. If no positive test is observed immediately, the mixture should be allowed to stand for 15 minutes.
