Alcohols are a broad class of organic compounds characterized by the presence of a hydroxyl functional group ($\text{-OH}$) attached to a saturated carbon atom. Chemically, the classification depends on the structure of the alkyl group bonded to the oxygen atom. Primary, secondary, and tertiary alcohols are defined by the number of carbon atoms directly bonded to the carbinol carbon (the carbon bearing the hydroxyl group). These compounds are generally combustible and often participate in characteristic chemical reactions, including oxidation, dehydration, and esterification. Alcohols are fundamental building blocks in organic synthesis and are utilized industrially due to their varying solubility and reactivity, allowing them to serve as solvents, reagents, and precursors for forming ethers and esters.