Where would you expect to isolate molecules in a fractionating tower that have very few interatomic attractions?

Name: Where would you expect to isolate molecules in a fractionating tower that have very few interatomic attractions?
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Molecules with very few interatomic attractions have weaker intermolecular forces, so they have a lower boiling point. In a fractionating tower, substances with lower boiling points will be isolated at higher levels, so they will be near the top.

Where Would You Expect to Isolate Molecules in a Fractionating