NEET 2015 Physics and Chemistry Paper

Question : 81 of 91

Marks: +1, -0

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?

[NEET 2015]

There is strong hydrogen bonding between HF molecules.
The bond energy of HF molecules is greater than in other hydrogen halides.
The effect of nuclear shielding is much reduced in fluorine which polarises the HF molecule.
The electronegativity of fluorine is much higher than for other elements in the group.

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