Question
Chemistry Question on Aldehydes, Ketones and Carboxylic Acids
Tollen's test can be used to distinguish
A
propionaldehyde and acetone
B
propanol and propionic acid
C
propene and isobutene
D
isopropanol and propanol
Answer
propionaldehyde and acetone
Explanation
Solution
Tollen's test is used to distinguish between propionaldehyde and acetone because Tollen's reagent is a weak oxidising agent and results in the formation of silver mirror with aldehydes. The test is only shown by aldehydes and not by ketones.
