# Explain the Structural isomerism term with example. - Science and Technology 1

Explain the Structural isomerism term with example.

#### Solution

It is a phenomenon in which the compounds having different structural formulae have the same molecular formula.

E.g. n-Butune and isobutane are structural isomers as they have different structural formulae but have a same molecular formula: C4H10.

$\begin{array}{cc} \ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ |\phantom{....}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C - C - C - H}\\ |\phantom{....}|\phantom{....}|\phantom{....}|\\ \ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\\end{array}$

n-Butane (C4H10)

Isobutane (C4H10)

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