Introduction

Objective

After completing this section, you should be able to give an example of a naturally occurring compound that contains at least one double bond.

Key Term

Make certain that you can define, and use in context, the key term below.

  • olefin

Study Notes

Alkenes are a class of hydrocarbons (i.e., containing only carbon and hydrogen). They are unsaturated compounds with at least one carbon-to-carbon double bond. The double bond makes Alkenes more reactive than alkanes. Olefin is another term used to describe alkenes.

The graphic (structure 7-0) shows three alkenes. The more complex alkene is commonly known as 1-methene, but its full proper IUPAC name is 1-methyl-2-(1-methylethyl)-cyclohexene.three sample alkene structures

 

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