Rank the following compounds in order of increasing strength of intermolecular forces. CH₃CH₂OH, CH₃CH₂CH₃, CH₃OCH₃
a) CH₃OCH₃ < CH₃CH₂CH₃ < CH₃CH₂OH
b) CH₃OCH₃ < CH₃CH₂OH < CH₃CH₂CH₃
c) CH₃CH₂CH₃ < CH₃OCH₃ < CH₃CH₂OH
d) CH₃CH₂CH₃ < CH₃CH₂OH < CH₃OCH₃