Draw structures for all constitutional isomers with the following molecular formula: C5H12
Constitutional isomers, also called structural isomers, are molecules that have the same molecular formula but different structure. In this case our formula is C5H12, which means all of the isomers must have five carbons and twelve hydrogens. The structure and connection of the constitutional isomers is different and therefore they will all have different names.
There are three constitutional isomers of C5H12

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