the structural formula of the MOST highly branched of alkane C8H18?

Question

wad is the structural formula?

Answer 1

OK!

There are eighteen structural isomers of octane.

2,2,3,3-tetramethylbutane is the most branched.

See p. 88:
http://acta.chem-soc.si/50/50-1-83.pdf

Here is the structure:
http://www.cheric.org/kdb/kdb/hcprop/molimg/63.gif

Answer 2

Isomer Of Octane

Answer 3

C8H18 is Octane:

CH3CH2CH2CH2CH2CH2CH2CH3

But there are several structures:

H-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-H (n-octane)

or

C2H5-CH-C3H7 (an iso-octane)
.............|
..........C2H5


or

.....CH3 CH3
.......\ ... /
CH3-C-C-CH3
......../ .. \
.......CH3 CH3