Question:
Arrange the following in decreasing order of their boiling points.
(A) n–butane (B) 2–methylbutane
(C) n-pentane (D) 2,2–dimethylpropane
(i) A > B > C > D
(ii) B > C > D > A
(iii) D > C > B > A
(iv) C > B > D > A
Solution:
Option (iv) C > B > D > A is the answer.