Octan: Forskelle mellem versioner
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'''Octan''' ([[Kemisk Ordbog]]) eller '''oktan''' ([[Retskrivningsordbogen]]) er en fællesbetegnelse for en [[alkan]] med 8 kulstofatomer,
==Isomerer==
Der findes 18 [[isomer]]er af octan, nedenunder er nogle af dem:
* n-'''octan''' H<sub>3</sub>C-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*2-Methylheptan H<sub>3</sub>C-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*3-Methylheptan H<sub>3</sub>C-CH<sub>2</sub>-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*4-Methylheptan H<sub>3</sub>C-CH<sub>2</sub>-CH<sub>2</sub>-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*2,2-(di)Methylhexan H<sub>3</sub>C-C(CH<sub>3</sub>)<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*2,3-(di)Methylhexan H<sub>3</sub>C-CH(CH<sub>3</sub>)-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*2,4-(di)Methylhexan H<sub>3</sub>C-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>3</sub>
==Se også==
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