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Structural isomers of C₄H₁₀

How many structural isomers does the alkane C₄H₁₀ have?

Given data

Formula: C₄H₁₀

Steps

0 / 1

Structural isomers share the same formula but differ in how the atoms are connected. With only 4 carbons the only possible skeletons are the straight chain and the branched one: I count the distinct carbon skeletons.
Write your working — the numerical result must appear in the text

Full worked solution

Structural isomers share the same formula but differ in how the atoms are connected. With only 4 carbons the only possible skeletons are the straight chain and the branched one: I count the distinct carbon skeletons.
$\mathbf{2}$ isomers: n-butane (straight chain) and isobutane (2-methylpropane, branched).

Result:

2

isomers

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