p-Block elementsHard
Question
Which of the following hydrogen halide is most volatile.
Options
A.HCl
B.HF
C.HI
D.HBr
Solution
HF has highest boiling point on account of intermolecular hydrogen bonding. But from HCl to HI the boiling point show a regular increase due to a corresponding increase in the magnitude of van der Waal′s force of attraction as the size of the halogen increases.
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