Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074



Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Intermolecular forces: What type of forces must be overcome between I2 molecules when solid I2 dissolves in methanol, CH3OH? What type of forces must be disrupted between CH3OH molecules when I2 dissolves? What type of forces exist between I2 and CH3OH molecules in solution?

Interpretation Introduction


Identify the intermolecular forces that must be overcome to perform the reaction.

Concept Introduction:

London dispersion force also called an induced dipole-induced dipole attraction is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles.

Dipole-dipole interaction results when two dipolar molecules interact with each other through space, there occurs a partially negative charge of one of the polar molecules is attracted to the partially positive charge of the second polar molecule.

Ion-dipole interaction results of an electrostatic interaction between a charged ion and a molecule that has a dipole.

A hydrogen bonding is partially an electrostatic attraction between H atom which is bonded to more electronegative atom such as N, O, orF and another adjacent atom bearing a lone pair of electron


The only force that exists in iodine is london dispersion force. Whereas in methanol there are london dispersion force, dipole-dipole interaction, and hydrogen bonding. In order for iodine to dissolve in methanol all these forces have to be overcome...

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