Arrange each set of compounds in order of increasing boiling points.
(A) 1-chloropropane < Isopropyl chloride < 1-chlorobutane
(B) 1-chlorobutane < 1-chloropropane < isopropyl chloride
(C) 1-chlorobutane > 1-chloropropane > isopropyl chloride
(D) iso propyl chloride > 1-chlorobutane > 1-chloro propane
