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Which characteristic determines the strength of hydrogen bonding between two molecules?

A)Dipole moment of involved molecules
B)Number of carbon atoms present
C)Molar mass of the heaviest atom
D)Polarizability of electron clouds

💡 Explanation

When molecules with large dipole moments interact, the electrostatic attraction between the partially positive hydrogen atom of one molecule and the partially negative atom (e.g., O, N, F) of another molecule drives stabilization energy, determining its strength Therefore, dipole moment dictates hydrogen bond strength, rather than atom count, mass, or polarizability, which influences Van der Waals forces.

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