Question
Chemistry Question on Aldehydes, Ketones and Carboxylic Acids
What is the color of copper compound formed in Fehling’s test for aliphatic aldehydes?
A
Green
B
Blue
C
Yellow
D
Red brown
Answer
Red brown
Explanation
Solution
Fehling’s test involves the reaction of aliphatic aldehydes with Fehling’s solution, resulting in the formation of a red-brown precipitate of copper(I) oxide. This reaction is specific to aldehydes and can help differentiate them from ketones.