What is the IUPAC name of the following compound?
General Organic Chemistry (GOC) · Class 11 · JEE Main Previous Year Question
What is the IUPAC name of the following compound?
- a
3-bromo-3-methyl-1,2-dimethylprop-1-ene
- b
3-bromo-1,2-dimethylbut-1-ene
- c
2-bromo-3-methylpent-3-ene
- d✓
4-bromo-3-methylpent-2-ene
4-bromo-3-methylpent-2-ene
Step 1: Longest Carbon Chain with Double Bond The longest chain containing the bond has 5 carbons (Pentene).
- Step 2: Numbering Numbering starts from the end closer to the double bond: .
- Step 3: Identifying Substituents
- C3 has a methyl group.
- C4 has a bromine atom (4-bromo).
- Double bond is at C2.
Step 4: Conclusion Name: 4-bromo-3-methylpent-2-ene.
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