For each pair of compounds, circle the compound you expect to have the higher boiling point. Explain

Question:

For each pair of compounds, circle the compound you expect to have the higher boiling point. Explain your reasoning.
(a) (CH3)3C-C(CH3)3 and (CH3)2CH-CH2CH2-CH(CH3)2
(b) CH3(CH2)6CH3 and CH3(CH2)5CH2OH
(c) CH3CH2OCH2CH3 or CH3CH2CH2CH2OH
(d) HOCH2- (CH2)4 - CH2OH and (CH3)3CCH(OH)CH3
(e) (CH3CH2CH2)2NH and (CH3CH2)3N
(f)