You are watching: Why does hydrochloric acid have a higher boiling point than diatomic fluorine?
Hydrogen chloride has actually dipole-dipole pressures so i would expect it to have greater inter-molecular forces and also thus a higher boiling point. However, due to the fact that this is not the case, this must average that chlorine has actually a better intermolecular forces due to London dispersion forces.
But why? I thought London dispersion forces were miniscule and also only had actually a notable result in huge molecules. Shouldn"t the dipole-dipole forces be method stronger 보다 the London dispersion forces?
This is since $\ceCl2$ has actually close to dual the mass and also is also a larger molecule contrasted to $\ceHCl$. You to be correct in saying that London dispersion forces are weaker but due to the fact that of $\ceCl2$s size they get rid of the dipole-dipole pressures in $\ceHCl$.
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