why the boiling temperature of HFS is high?
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As fluorine is more electronegative than nitrogen, the H-F bonds are much more polar than the N-H bonds. Due to the higher partial charges on H and F in HF, a hydrogen bond between HF molecules is stronger than that between NH3 molecules. The higher boiling point of HF is thus due to stronger H-bonds.
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As fluorine is more electronegative than nitrogen, the H-F bonds are much more polar than the N-H bonds. Due to the higher partial charges on H and F in HF, a hydrogen bond between HF molecules is stronger than that between NH3 molecules. The higher boiling point of HF is thus due to stronger H-bonds.
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