Most Volatile → Highest Vapor pressure
▪ if more vapor is present in the system → higher vapor pressure
▪ more vapor present → weaker IMF
▪ therefore: higher vapor pressure (↑ VP) → weaker IMF (↓ IMF)
Intermolecular Forces (IMF) are the attractive forces between 2 molecules.
Comparing molecules with the same IMF:
Of the following, __________ is the most volatile.
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