Chapter 11: Problem 37
What are Tollen's reagent and Fehling's reagent? How do they help in identification of carbonyl compounds?
Short Answer
Expert verified
Answer: In Tollen's test, the formation of a silver mirror or a black precipitate of elemental silver indicates the presence of an aldehyde. In Fehling's test, the formation of a brick-red precipitate of copper(I) oxide suggests the presence of an aldehyde or a reducing sugar.