IUPAC Name of C₅H₁₀ | pent-2-ene
What is the IUPAC name of C₅H₁₀?
The IUPAC name of C₅H₁₀ is pent-2-ene. It is a alkene with a 5-carbon parent chain (pent-2-ene).
| Formula | C₅H₁₀ |
| IUPAC Name | pent-2-ene |
| Compound Class | Alkene |
| Parent Chain | pent-2-ene (5 carbons) |
| Substituents | None |
| Difficulty | Intermediate |
Step 1: Identify the Parent Chain
The longest continuous carbon chain in C₅H₁₀ contains 5 carbon atoms, giving the parent name pent-2-ene. The parent chain must include the carbon-carbon double bond.
Step 2: Number and Name Substituents
pent-2-ene has no substituents. The molecule consists solely of the 5-carbon parent chain with hydrogen atoms filling all remaining bonding positions.
Step 3: Assemble the IUPAC Name
With no substituents to add, the IUPAC name is simply the parent chain name: pent-2-ene.
Interactive IUPAC nomenclature explorer with guided walkthroughs and practice quizzes on 66 molecules.
Practice Naming C₅H₁₀ Step by Step