Home Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Halogens and their Compounds Which of the following hydrogen halide is mo…
Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Halogens and their Compounds Single Correct MCQ
Published on: August 13, 2026

Which of the following hydrogen halide is most volatile.

A
HCl
B
HF
C
HI
D
HBr

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Verified by Experts
The correct answer is:
A

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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