A. Formaldehyde
B. Acetaldehyde
C. Propionaldehyde
D. Benzaldehyde
Answer: Formaldehyde
A. Formaldehyde
B. Acetaldehyde
C. Propionaldehyde
D. Benzaldehyde
Answer: Formaldehyde
Additional Information: Formaldehyde (methanal) is the simplest aldehyde, with one carbon atom.