For hydrocarbons with 1 or more single bonds between carbon atoms, the molecules are known as alkanes, & the suffix is "-ane".
With 1 or more double bonds, these molecules are known as alkenes the suffix is "-ene".
With 1 or more triple bonds, the molecules are known as alkynes, and the suffix is "-yne".
Hydrocarbons are a class of molecules which contain only carbon & hydrogen atoms. Some of them make very good fuels. Gasoline contains a mixture of hydrocarbons. Unsaturated hydrocarbons, that contain 1 or more double bonds, are useful chemicals for many reactions.
The simplest hydrocarbons are linear molecules in that each carbon atoms is bonded to 2 other carbons atoms, in a linear fashion, except for the carbon atoms at the ends, which are only bonded to 1 other carbon atom. Saturated hydrocarbon names basically end with the suffix "ane" which distinguishes them from unsaturated hydrocarbons, which end with the suffix "ene".
Linear saturated hydrocarbons are called as paraffins or alkanes. Their general formula is CnHn+2.
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