Chemistry - Nomenclature Question with Solution | TestHub

In IUPAC system of nomenclature, preference is given to multiple bond than halogen substituent, so the correct name of $\mathrm{Br}-\stackrel{3}{{\mathrm{CH}}_2}-\stackrel{2}{\mathrm{CH}}=\stackrel{1}{{\mathrm{CH}}_2}$ is 3-bromoprop-1-ene