Question

Find the IUPAC name of the compound. 

• A. 3-Bromo-2-nitrobenzoic acid
• B. 2-Bromo-3-nitrobenzoic acid
• C. 4-Bromo-3-nitrobenzoic acid
• D. 3-Bromo-4-nitrobenzoic acid

Hint:

When naming substituted benzoic acids, always number the carbon atoms of the benzene ring starting from the carboxyl group to give the lowest possible numbers to the substituents.

Answer 1

The Correct Option is B

The compound is a substituted benzoic acid. The parent structure is benzoic acid, with the carboxyl group (-COOH) at position 1. Substituents are: a bromine (Br) group at position 2, and a nitro (NO\(_2\)) group at position 3. The IUPAC name is 2-Bromo-3-nitrobenzoic acid.