Problem: What type of intermolecular force accounts for the following differences in each case?Xe is liquid at atmospheric pressure and 120 K, whereas Ar is a gas.a. London dispersion forces.b. Dipole-dipole bonding.c. Hydrogen bonding.d. Ion-dipole bonding.

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Vapor pressure

▪ is the pressure exerted by a vapor in equilibrium with its condensed phase
▪ highly influenced by intermolecular forces between molecules


Intermolecular Forces (IMF) are the attractive forces between 2 molecules.

Ion-dipole

strongest IMF
▪ deals with the attraction between an ion and a polar compound.

 Hydrogen Bonding

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Problem Details

What type of intermolecular force accounts for the following differences in each case?
Xe is liquid at atmospheric pressure and 120 K, whereas Ar is a gas.

a. London dispersion forces.
b. Dipole-dipole bonding.
c. Hydrogen bonding.
d. Ion-dipole bonding.

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