Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 11 - Section 11.3 - Intermolecular Forces: The Forces that Hold Condensed Phases Together - For Practice: 11.2

Answer

The boiling point of $ HF$ is higher than $ HCl$ due to hydrogen bonding in $HF$.

Work Step by Step

$ HF$ is able to form hydrogen bonds because $H$ is bonded to a strongly electronegative element, $F$. The hydrogen bond is the strongest intermolecular force and requires a lot of energy to break. So, the boiling point of $ HF$ is higher than $ HCl$.
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