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Why is HF a liquid whereas other hydride...

Why is HF a liquid whereas other hydrides of halogens are gases?

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Due to H-bonds, there is greater intermolecular attraction in HF molecules hence, HF is liquid at room temperature.
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Knowledge Check

  • The hydrogen fluoride is liquid unlike the other hydrogen halides, because:

    A
    Fluorine is smaller atom
    B
    HF is weakest acid
    C
    HF molecules are associated due to hydrogen bonding.
    D
    `F_2` is highly reactive

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