Choose the correct IUPAC name of the following compound:

4-Fluoro-3-methylpent-2-ene

The correct answer is Option (2) → 4-Fluoro-3-methylpent-2-ene

IUPAC Name Analysis

For the compound in the final image, we follow standard IUPAC nomenclature rules:

1. Identify the Parent Chain: The longest carbon chain containing the double bond has five carbons, making it a pentene.
2. Numbering: Start numbering from the end closest to the double bond to give it the lowest possible locant. This places the double bond at carbon-2.
3. Identify Substituents: There is a fluorine group at carbon-4 and a methyl group at carbon-3.
4. Alphabetical Order: Fluoro comes before Methyl.

Correct IUPAC Name: 4-Fluoro-3-methylpent-2-ene