In a diagnostic test, a sample gives a positive silver mirror test but fails to form a red precipitate with Fehling's solution. Which compound is present?
Q1. In a diagnostic test, a sample gives a positive silver mirror test but fails to form a red precipitate with Fehling's solution. Which compound is present?
Answer: Benzaldehyde
Explanation: Tollen's reagent is a mild oxidant that reacts with both aliphatic and aromatic aldehydes, while Fehling's solution only oxidizes aliphatic aldehydes.