General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 11 - States of Matter; Liquids and Solids - Questions and Problems - Page 481: 11.68

Answer

Please see the work below.

Work Step by Step

We know that $ClF$ has the smallest molecular mass and that's why it has the smallest intermolecular forces and the highest vapor pressure. Thus, it has the lowest boiling point.
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