Chemistry - Nomenclature Question with Solution | TestHub

The ketone is the principal group, so the name is based on butan-1-one with an aryl group on ${\mathrm{C}}_1$. The ring is numbered from the carbon attached to $\mathrm{C}=\mathrm{O}$: $\mathrm{OH}$ on ${\mathrm{C}}_3$ and $\mathrm{Cl}$ on ${\mathrm{C}}_4$.

Name: 1-(4-chloro-3-hydroxyphenyl)butan-1-one.