Question

identify the name of the carboxylic acid derived from propane.
select the correct answer below:
methanoic acid
ethanoic acid
propanoic acid
none of the above

Explanation:

Carboxylic acids are named by replacing the -e ending of the corresponding alkane with -oic acid. Propane is a 3 - carbon alkane. Replacing the -e with -oic acid gives propanoic acid. Methanoic acid is derived from methane (1 - carbon alkane), and ethanoic acid is derived from ethane (2 - carbon alkane).

Answer:

propanic acid