🥼organic chemistry review

Alkene

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Alkenes are hydrocarbons that contain at least one carbon-carbon double bond, distinguishing them from alkanes which have single bonds only. They are unsaturated, meaning they can react with other atoms to "saturate" the double bond.