What is the IUPAC name for a branched alkane with a total of 6 carbons?

In the context of naming organic compounds using the IUPAC system, the structure of the compound is crucial. The choice of 2-Methylpentane as the IUPAC name for this branched alkane with a total of 6 carbons signifies that the longest continuous carbon chain comprises five carbons (pentane) with a single methyl group (−CH₃) substituent attached to the second carbon of that chain.

This correctly describes a branched structure while following the principles of nomenclature, which dictate that the longest chain should be chosen to provide the lowest possible numbers for the substituents. The "pentane" portion indicates the five carbons in the main chain, while the "2-methyl" part indicates the position of the methyl group on that chain.

In contrast, other options may also represent branched structures, but they do not meet the criteria for the specific structure given in the question or they provide a different branching that would lead to a longer parent chain or an incorrect position for substituents. The naming further adheres to the conventions of listing substituents in alphabetical order while maintaining the integrity of the longest carbon chain.