Questions: Select all that are NOT constitutional isomers of hexane. 2-methylpentane 2,3-dimethylbutane 3-methylpentane 1,3-dimethylbutane 2,2-dimethylbutane 2,4-dimethylbutane

Solution Steps

Constitutional isomers (or structural isomers) are compounds that have the same molecular formula but different connectivity of their atoms. For hexane (C\(_6\)H\(_{14}\)), we need to identify which compounds do not share the same connectivity as hexane.

We will analyze each compound to determine if it has the same connectivity as hexane.

1. 2-methylpentane: This is a constitutional isomer of hexane. It has the same molecular formula (C\(_6\)H\(_{14}\)) but a different structure.
2. 2,3-dimethylbutane: This is also a constitutional isomer of hexane. It has the same molecular formula but a different structure.
3. 3-methylpentane: This is a constitutional isomer of hexane. It has the same molecular formula but a different structure.
4. 1,3-dimethylbutane: This is not a constitutional isomer of hexane. It has a different molecular formula (C\(_6\)H\(_{12}\)).
5. 2,2-dimethylbutane: This is a constitutional isomer of hexane. It has the same molecular formula but a different structure.
6. 2,4-dimethylpentane: This is not a constitutional isomer of hexane. It has a different molecular formula (C\(_7\)H\(_{16}\)).

From the analysis, we identify the compounds that are not constitutional isomers of hexane.

Final Answer