ch3-chbr-ch2-chcl-ch31

Question

CH₃-CHBR-CH₂-CHCL-CH₃

1     2        3      4    5    

 
Br abd Cl are side chain.

numbering is done so that the alphabet that comes first in order get lowest number i.e., bromine should get 2 because it comes before chlorine in alphabetical order.

Its IUPAC name is 2-Bromo-4-chloroPentane