Free Practice Exam -
AP Chemistry
Question 1 of 15
Why does methane have a boiling point of 161°C and octane has a boiling point of 125.6°C?
Hydrogen bonding
Dispersion forces
Hybridized orbitals
Resonance (delocalization)
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Octane is a much larger molecule meaning it can harbour a greater number of interactions between the molecules. This force allows octane to stay in the liquid state even at high temperatures.
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