In polyfunctional compounds, subordinate functional groups are treated as substituents and indicated — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

All given mappings are correct. Subordinate hydroxyl groups use 'hydroxy', aldehydes use 'formyl' (or 'oxo' if the carbon is part of the parent chain counting), amines use 'amino', and acid chlorides use 'chlorocarbonyl' or 'chloroformyl'.