A. Methanoic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid
Answer: Methanoic acid
A. Methanoic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid
Answer: Methanoic acid
Additional Information: Methanoic acid (HCOOH) is the simplest carboxylic acid.