Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 11 - Sections 11.1-11.13 - Exercises - Problems by Topic: 54

Answer

H$_2$S $\lt$ H$_2$Se $\lt$ H$_2$O

Work Step by Step

All the molecules are polar. H2S and H2Se only have dipole-dipole, while H$_2$O has hydrogen bonds. H$_2$S is smaller than H$_2$Se, and is therefore the weakest. Boiling point is directly correlated to IMF strength.
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