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chem: Add common names of simple hydrocarbons

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eggy 2022-02-28 18:18:57 -05:00
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@ -55,6 +55,13 @@ These only contain carbon and hydrogen.
**Alkynes** contain **at least** one carbon-carbon triple bond and are named with a prefix with the total number of carbon atoms and "-ene". **Alkynes** contain **at least** one carbon-carbon triple bond and are named with a prefix with the total number of carbon atoms and "-ene".
!!! warning
The lack of standardisation prior to IUPAC means that some IUPAC names have common names that are still widely used today.
- acetylene: **ethyne**
- vinyl: **propene**
- ethylene: **ethene**
The general formula for an **acyclic** hydrocarbon with no rings is as follows, where $n$ is the number of carbon atoms, $x$ is the number of double bonds, and $y$ is the number of triple bonds. The general formula for an **acyclic** hydrocarbon with no rings is as follows, where $n$ is the number of carbon atoms, $x$ is the number of double bonds, and $y$ is the number of triple bonds.
$$\ce{C_nH_{2n+2-2x-4y}}$$ $$\ce{C_nH_{2n+2-2x-4y}}$$