Whats the formula for ethyl-dimethyl-octane?
C12H26...2, ethyl 4, dimethyl octane
(Ingore the dotted lines).
The 2nd Carbon has a branch (shown in brackets) to the Ethyl group.
The 4th Carbon has 2 branches (shown in brackets) to 2 Methyl groups.
or better descibed as C8H19(CH3)(CH3)(C2H5)
There are many isomers :
2,2 dimethyl , 4 ethyl octane
CH3 C CH2 CH CH2 CH2 CH2 CH3
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