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    Physical propoerties and intermolecular forces

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    What type of intermolecular forces accounts for the following differences in each case?
    CH3OH boils at 65oC, but CH3SH boils at 6oC.
    Xe is a liquid at atmospheric pressure and 120 K, whereas Ar is a gas.
    Kr, atomic weight 84, boils at 120.9 K, whereas Cl2, MW ? 71, boils at 238 K.
    Acetone boils at 56oC, whereas 2-methylpropane boils at - 12oC.

    Please provide detailed explanation.

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    Solution Preview

    CH3OH has hydrogen bonding while CH3SH does not. Hydrogen bonding is the strongest intermolecular force present. Boiling depends on the strength and type of intermolecular force. Stronger forces result in higher boiling point as more energy is required to ...

    Solution Summary

    Reasons for differences in boiling points for sets of compounds is explained.