A. Presence of a carbonyl group
B. Position of the carbonyl group
C. Number of carbons
D. Presence of hydrogen
Answer: Position of the carbonyl group
What is the main property that differentiates aldehydes from ketones?
Additional Information: Aldehydes have a carbonyl group at the end of the carbon chain, while ketones have it in the middle.
Subjects: Alcohols, Phenols, and Ethers, Chemistry