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P Block Elements question

2015 · Q85
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P Block Elements question

2015 · Q85

NEETChemistryP Block ElementsMCQ+4 / −1
The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl.

What explains the higher boiling point of hydrogen fluoride?
  1. A
    There is strong hydrogen bonding between HF molecules.
  2. B
    The bond energy of HF molecules is greater than in other hydrogen halides.
  3. C
    The effect of nuclear shielding is much reduced in fluorine which polarises the HF molecule.
  4. D
    The electronegativity of fluorine is much higher than for other elements in the group.
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