Which reagent is used to confirm the presence of a carbonyl group in a compound regardless of whether it is an aldehyde or ketone?
Q1. Which reagent is used to confirm the presence of a carbonyl group in a compound regardless of whether it is an aldehyde or ketone?
Answer: 2,4-Dinitrophenylhydrazine
Explanation: 2,4-DNP (Brady's reagent) reacts with both aldehydes and ketones to form yellow or orange crystalline precipitates. Tollen's only identifies aldehydes.