Arrange the following compounds in increasing order of their boiling points

Question. Arrange the following compounds in increasing order of their boiling points.

i)(CH₃)₂CHCH₂Br
ii)CH₃CH₂CH₂CH₂Br
iii)(CH₃)₃CBr

a) (ii)<(i)<(iii)
b) (i)<(ii)<(iii)
c) (iii)<(i)<(ii)
d) (iii)<(ii)<(i)

Answer: c) (iii)<(i)<(ii)