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General formula of homologous series of ...

General formula of homologous series of alkanes is `C_(n)H_(2n+2)`. Write down the molecular formula of the 8th and 12th member using this.

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General formula of alkanes is `C_(n)H_(2n+2)`
`n=8 " "C_(8)H_(2xx8+2)=C_(6)H_(18)" "` Octane
`n=12 " " C_(12)H_(2xx12+2)=C_(12)H_(26)" "` Dodecane
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