Organic Chemistry

Reactions of Organic Compounds

What is an elimination reaction?

If an addition reaction adds two groups to a molecule, then an elimination reaction takes them away. The textbook example again involves carbon-carbon double bonds, but this time we’re making that double bond.


A molecule of base (hydroxide ion, OH) causes the elimination of HBr. In this case, the process happens in one step, as shown.


This is a web preview of the "The Handy Chemistry Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App