Why is the melting point of #CO_2# higher than #CH_3OH#? Wouldn't the melting point of methanol be greater because of the hydrogen bond?
Carbon dioxide sublimes at
The normal melting point of methanol is
But here, clearly, we compare apples and oranges, by comparing a melting point, a transition from solid to liquid, to a sublimation point, a transition from solid to gas. On the other hand, the normal boiling point of methanol
The GREATER involatility of methanol may be attributed to intermolecular hydrogen bonding, which is a potent intermolecular force. The hydrogen bond may be maintained upon melting.