Question

The correct IUPAC name of the following compound is:

• A. 4-bromo-5-chloro-2-fluoro-1-iodobenzene
• B. 1-bromo-2-chloro-5-fluoro-4-iodobenzene
• C. 2-chloro-1-bromo-5-fluoro-4-iodobenzene
• D. 1-bromo-2-chloro-4-iodo-5-fluorobenzene

Answer 1

The correct option is B 1-bromo-2-chloro-5-fluoro-4-iodobenzene

The numbering of the given compound is done using lowest locant rule followed by the alphabetical ordering.
Therefore, the IUPAC name of the compound is 1-bromo-2-chloro-5-fluoro-4-iodobenzene.