What is Elimination reaction?
[[File:EliminationReactionCyclohexene.svg|thumb|right|An elimination reaction in the molecule cyclohexanol]] In [[organic chemistry]], an '''elimination reaction''' is when some [[atom]]s or group of atoms are taken away from a bigger [[molecule]]. Usually, a [[double bond|double]] or a [[triple bond|triple]] bond are made by this reaction. There are two main ways to do an elimination reaction. The first is called '''E1'''. It happens in two steps. If there is a good [[leaving group]] in the molecule, it can leave on its own. Then, a [[base]] or another substance can take away the other group. The second way is called '''E2'''. This happens only in one step. In this case, the base takes away one group while at the same time the leaving group goes away. A common elimination reaction happens with [[alcohol]]s. If there is strong [[acid]] around, a molecule of [[water]] can be eliminated to form the double bond. {{Reaction mechanisms}} [[Category:Chemical reactions]]