What is the name of the simplest hydroxy derivative of

Solution

Phenol represents the simplest hydroxy derivative of benzene, consisting of a benzene ring with one hydrogen atom substituted by a hydroxyl (OH) group. This aromatic compound demonstrates interesting chemical properties, being more acidic than typical aliphatic alcohols and water, though less acidic than carboxylic acids. Phenols have significant practical applications, particularly as effective disinfectants and antiseptics in medical and household settings.