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Unformatted text preview: the highest relative boiling point. Fill in an arrow pointing in the direction of the highest boiling point. Strongest IM force present Relative boiling point H-bonding Dipole-dipole dispersion Practice problems: Fill in the table below: Substances List all IM forces for each molecule. Which molecule has the higher BP and which IM force is responsible. 1. PCl 3 BF 3 2. CH 3-NH 2 CH 3-F 3. H 2 O SO 2 4. CHCl 3 (see note) CH 2 Cl 2 Note: If two molecules have both dipole-dipole and dispersion forces, then the molecule with the stronger dispersion force (ie. higher MW) will have the higher boiling point. Suggested practice problems: 7, 9, 11, 13, 15, 25, 27, 29, 33, 37, 39, 41, 43, 45, 49, 51...
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