Name the following:
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Nomenclature in organic chemistry refers to the systematic naming of chemical compounds based on established rules. The International Union of Pure and Applied Chemistry (IUPAC) provides guidelines to ensure that each compound has a unique and descriptive name, which reflects its structure and functional groups. Understanding nomenclature is essential for accurately identifying and communicating about organic compounds.

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Common functional groups include hydroxyl (-OH), carboxyl (-COOH), and amino (-NH2) groups. Recognizing functional groups is crucial for predicting the behavior of organic compounds and understanding their reactivity and properties.

Structural isomers are compounds that have the same molecular formula but differ in the arrangement of atoms. This can include variations in the connectivity of atoms or the presence of different functional groups. Understanding structural isomerism is important for distinguishing between compounds that may have similar properties but can exhibit different chemical behaviors.