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How to Name an Organic Acid
1. Write the hydrocarbon name and drop the ‘e’. 2. End with -oic acid
Name this molecule.
1. Ethane – drop the ‘e’ to get ethan- ( Reffy, Tables P and Q)
2. Add –oic acid.
Answer: Ethanoic acid
Reffy, Table K (p. 6) shows that the last common acid is ethanoic acid/acetic acid. This is a weak electrolyte.
Organic acid ends with -oic acid.
Name this molecule.
1. Methane – drop the ‘e’
to get methan-
2. Add –oic acid.
Answer: Methanoic acid
This molecule is also called FORMIC ACID.
UNIT 11: ORGANIC CHEMISTRY © 448
