Indicate the force that is the predominant reason that onematerial in each pair in the question above has a higher boilingpoint than the other. (This would be the force that is present inone material but not the other, or that is greater in one materialthan the other.) (either a. b or c)
1a) NH3 or PH3
(a)dipolar forces
(b)dispersion forces
(c)hydrogen bonding
1b) C2H 5OH orH3C-O-CH3
(a)dipolar forces
(b)dispersion forces  Â
(c)hydrogen bonding
1c) C4H8 orC10H20
(a)dipolar forces
(b)dispersion forces  Â
(c)hydrogen bonding
1d) H2S or F2
(a)dipolar forces
(b)dispersion forces  Â
(c)hydrogen bonding
