The Student Room Group

Trend of boiling point

Which organic compound has the highest boiling point?
Sodium propanoate, propanoic acid and propanal?
As with any of these questions the highest boiling point is the one where the forces to overcome are strongest.

Things to think about
- what forces need to be overcome
- are the forces intramolecular or intermolecular
- what’s stronger intramolecular or intermolecular
- what’s the order of strength of intermolecular forces

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