18. Which of the following liquid has highest
boiling point?
(RWP 2011)
(a) HCI (b) HBr
(b) HBr (c) H2O (d) Br2
m
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a ) HCI
Answer
The boiling points of HF,HCl,HBr and HI follow the order HF>HI>HBr>HCl.
HF is hydrogen bonded, thus has highest boiling point, and it is liquid at or below 19
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