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Name the hydrogen halide which is liquid at room temperature and why?

Name the hydrogen halide which is liquid at room temperature and why?

Grade:upto college level

1 Answers

Anjali Ahuja
askIITians Faculty 234 Points
9 years ago
Hello Aditya
Hydrogen flouride is liquid at room temperature.
HF has strong hydrogen bonding, so the force between molecules is stronger for this than in other hydrogen halides. HF molecules are very polar, i.e. they have a negative end (fluorine end) and a positive end (hydrogen). This polarity greatly attracts other HF molecules towards each. As Hydrogen bonding is also present in between HF molecules, which creates large attractions between a H atom of a HF molecule and an F atom of other HF molecules.

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