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Which type of intermolecular attraction is mainly responsible for the liquefaction of xenon gas?

1. Ionic
2. Instantaneous dipole- induced dipole
3. Dipole - dipole
4. Ion - dipole

Correct answer: Instantaneous dipole- induced dipole

Solution

Xenon atoms are nonpolar, so the only force between them is the instantaneous dipole-induced dipole (London dispersion) interaction, which is strong enough in heavy Xe to allow liquefaction.

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