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→About Alkenes
: The [[Functional Group|functional group]] of the [[Alkene]]s is the [[Double Bond|double bonds]] between the [[Carbon]] [[atom]]s.
: [[Alkene]]s are long chains of [[Carbon]] [[atom]]s [[Covalent Bond|covalently bonded]] together with [[Double Bond|double]] and [[Single Bond|single bonds]] and [[Hydrogen]] [[atom]]s taking the remaining [[Chemical Bond|bonds]].
: [[Alkene]]s are referred to as [[Unsaturated Hydrocarbon|unsaturated hydrocarbons]] because the [[Double Bond|double bond]] means it is not [[Saturated Hydrocarbon|saturated]] (full) with [[Hydrogen]] [[atom]]s.
: Testing for [[alkene]]s can be done by adding them to [[Bromine Water]]. If the [[Bromine Water]] turns from orange to colourless, then an [[alkene]] is present. During this test the [[Bromine]] [[Chemical Reaction|react]]s with the [[alkene]] to form a [[Dibromoalkane]].
===Examples===