Chemistry - Nomenclature Question with Solution | TestHub

The alcohol is the principal group and gets the lowest locant, so the $\mathrm{C}{\mathrm{H}}_2\mathrm{OH}$ carbon is ${\mathrm{C}}_1$. The double bond is at ${\mathrm{C}}_2$ and $\mathrm{Br}$ is on ${\mathrm{C}}_2$.

Name: 2-bromohex-2-en-1-ol.