Answered: true or false Intermolecular forces…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter12: States Of Matter

Section: Chapter Questions

Problem 52A

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true or false

Intermolecular forces are generally stronger than bonding forces?

Expert Solution

Step 1

Bonding forces include:

Ionic bonds: They are formed by complete transfer of electrons between atoms. It is a bond between two oppositely charged ions (cations and anions). The bond dissociation energy is 1100-20,000 kJ/mol.
Covalent bonds : They are formed by sharing of electron pairs between atoms. The bond dissociation energy is 130-1100 kJ/mol.

Step 2

Intermolecular forces include:

Hydrogen bonding: It is the force of attraction between Hydrogen and electronegative atom (N, O, F). The bond dissociation energy is 4-50 kJ/mol.
Dipole-Dipole interaction: It is the attractive force between polar molecules. The bond dissociation energy is 2-8 kJ/mol.
London- Dispersion forces: They are temporary attractive forces between induced dipoles. The bond dissociation energy is <4-63 kJ/mol.

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