Question

in comparison to molecules that interact by london dispersion forces only, the melting point of similar - sized molecules forming hydrogen bonds would most likely be
about the same.
unpredictable.
lower.
higher.

Explanation:

Hydrogen bonds are stronger than London - dispersion forces. Stronger intermolecular forces require more energy to break, resulting in a higher melting point for molecules with hydrogen bonds compared to those with only London - dispersion forces.

Answer:

D. higher