Intermolecular forces answers

IB Chemistry: Intermolecular forces answers

1. Propane (London dispersion forces, B.Pt. -42.2 oC) < methoxymethane (weak dipole-dipole, B.Pt. -24.8 oC) < ethanal (dipole-dipole, B.Pt. 20.8 oC) < ethanol (hydrogen bonding, B.Pt. 78.5 oC) < methanoic acid (strong hydrogen bonding, B.Pt. 101 oC).2. 2,2-dimethylpropane (B.Pt. 9.5 oC) < 2-methylbutane (B.Pt. 27.9 o C) < pentane (B.Pt. 36.3 oC)The more spherical the molecule the less surface area there is to attract...

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