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What is the predominant intermolecular force in the liquid state of each of these compounds: hydrogen fluoride (hf), carbon tetrafluoride (cf4), and hydrogen sulfide (h2s)?

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HF - The liquid state of this compound will exhibit hydrogen bonding due to the large electronegativity of H and F.
CF4 - The liquid state of this compound will exhibit van der Waals forces.
H2S - The liquid state of this compound will exhibit dipole-dipole or electrostatic attraction forces.
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