Multiple Choice
Which type of intermolecular force is generally the strongest?
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13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces
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Which of the following is the strongest type of intermolecular force?
A
Dipole-dipole interactions
B
Hydrogen bonding
C
London dispersion forces
D
Ion-dipole interactions
Verified step by step guidance1
Identify the types of intermolecular forces listed: dipole-dipole interactions, hydrogen bonding, London dispersion forces, and ion-dipole interactions.
Recall that London dispersion forces are the weakest and arise from temporary fluctuations in electron distribution in molecules.
Understand that dipole-dipole interactions occur between polar molecules due to permanent dipoles, which are stronger than London dispersion forces.
Recognize that hydrogen bonding is a special, stronger type of dipole-dipole interaction that occurs when hydrogen is bonded to highly electronegative atoms like N, O, or F.
Know that ion-dipole interactions occur between ions and polar molecules and are generally stronger than hydrogen bonds, making ion-dipole interactions the strongest among the options given.
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