What is the formula for isopropyl alcohol?

Isopropyl alcohol, also known as isopropanol or 2-propanol, is a common alcohol with the structural formula that reflects its molecular composition accurately. The correct formula for isopropyl alcohol is represented as CH₃CHOHCH₃, which indicates there is a hydroxyl group (-OH) attached to the second carbon of a three-carbon chain (propane). This structure distinguishes it from other types of alcohols.

In this structural representation, the carbon atoms are arranged such that the alcohol group is connected to the central carbon, making it secondary alcohol rather than primary or tertiary. The given answer captures this by placing the hydroxyl group on the carbon that also supports two methyl (CH₃) groups, consistent with what is expected for isopropyl alcohol.

This understanding aligns well with organic nomenclature rules, which provide a way to systematically name compounds based on their functional groups and structure. The presence of the isopropyl group emphasizes the branching of the alcohol, which is important for identifying the compound accurately.