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  • what is the trend of boiling point for gp17 hydrides

Sir what is the trend of boiling point for gp17 hydrides? As it is given like this HF>HI>HBr>HCl. Is it right

Answers (1)

  • Due to the high electronegativity of flourine hydrogen bonds can be formed between HF molecules.

  • Hydrogen bonds require more energy to break that London Forces.

  • The other halogens are not as electronegative and so other hydrogen halides cannot form hydrogen bonds between molecules. Only London Forces are formed.

  • Therefore more energy is required to break the intermolecular forces in HF than the other hydrogen halides and so it has a higher boiling point. 

Posted by

Amit Kumar

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