chain alkanes

I'm having difficulty in drawing a branche-chain alkane;

4-ethyl-2,3-dimethyloctane

1,1,1,2-tetrabromoethane

1,3-dimethylcyclohexane

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Re: chain alkanes

[quote="gaLLe"]I'm having difficulty in drawing a branche-chain alkane;
[/quote]

Yeah, that's IUPAC's fault. Anyway, the answers are drawn below and are color coded so that its easy for you to see how the name fits the structure.

[b][color=blue]4-ethyl[/color]-[color=green]2,3-dimethyl[/color][color=red]octane[/color][/b]:
[img]http://budder.net/uploaded/hiren_pic1.gif[/img]

[b][color=blue]1,1,1,2-tetrabromo[/color][color=red]ethane[/color][/b]
[img]http://budder.net/uploaded/hiren_pic2.gif[/img]

[b][color=blue]1,3-dimethyl[/color][color=red]cyclohexane[/color][/b]
[img]http://budder.net/uploaded/hiren_pic3.gif[/img]

I hope that's good enough! :D

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