Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 13 - Properties of Solutions - Exercises - Page 567: 13.16c


Hydrogen bonding. $CH_{2}Cl_{2}$ in benzene is weaker than KCl in water, which is weaker than methanol in water.

Work Step by Step

The -OH groups on the methanol can hydrogen bond with the hydrogen from the water, making hydrogen bonding the principle solute-solvent interaction. Dispersion forces are weaker than ion-dipole forces which are weaker than hydrogen bonding, which is why the strength of the solute-solvent interactions are ranked as above.
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