1) Intermolecular forces required to be overcome:
a) Dispersion forces, dipole-induced dipole forces, dipole-dipole forces.
b) Dispersion forces, dipole-induced dipole forces, dipole-dipole forces.
c) Dispersion forces.
d) Dispersion forces.
e) Dispersion forces, dipole-induced dipole forces, dipole-dipole forces, hydrogen bonding.
2) Order of increasing boiling point:
c < d < a < b < e
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