How many structural isomers of $C_6H_14$ are there?

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Answer 1 · 2017-06-28T06:08:04

I count 5 structural isomers of hexane, $C_6H_14$ ..........

And these are.......

$(i)$ $"n-hexane"$ , $"H"_3"CCH"_2"CH"_2"CH"_2"CH"_2"CH"_3$

$(ii)$ $"2-methylpentane"$ , $"H"_3"CCH(CH"_3")CH"_2"CH"_2"CH"_3$

$(iii)$ $"3-methylpentane"$ , $"H"_3"CCH"_2"CH(CH"_3")CH"_2"CH"_3$

$(iv)$ $"2,2-dimethylbutane"$ , $"H"_3"CCH"_2"C(CH"_3")"_2"CH"_3$

$(v)$ $"2,3-dimethylbutane"$ , $"H"_3"CCH(CH"_3")CH(CH"_3")CH"_3$

The way to remember these is to sit down with a molecular model set, and actually make models of each isomer.

How many structural isomers of C_6H_14C_6H_14 are there?