Problem: Identify the predominant intermolecular forces in each of these substances.H2O, NH3, CH­3C(OH)2CH3 KCl, CH4

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We are being asked to identify the predominant intermolecular forces in each of these substances.


Intermolecular Forces (IMF) are the attractive forces between 2 molecules.

Ion-dipole

strongest IMF
 deals with the attraction between an ion and a polar compound.

 Hydrogen Bonding

2nd strongest IMF
 exists anytime hydrogen is directly connected to fluorine, oxygen or nitrogen

 Dipole-Dipole

3rd strongest IMF
 exists when two polar covalent compounds interact

Dipole/Induced Dipole

4th strongest IMF
 deals with the attraction between a polar and nonpolar covalent compound 

London-Dispersion Forces/Van der Waals Force/Induced Dipole-Induced Dipole

weakest IMF
 intermolecular force is found in all compounds, but it's the main intermolecular force of nonpolar covalent compounds


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Problem Details

Identify the predominant intermolecular forces in each of these substances.


H2O, NH3, CH­3C(OH)2CH3 KCl, CH4

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