Multiple Choice
Which intermolecular force is primarily responsible for the dissolution of iodine (I_2) in nonpolar solvents?
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13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces
Multiple Choice
Which of the following intermolecular forces is generally considered the weakest?
A
Dipole-dipole interactions
B
Hydrogen bonding
C
Ion-dipole forces
D
London dispersion forces
Verified step by step guidance1
Step 1: Understand that intermolecular forces are the forces of attraction or repulsion between molecules, and they vary in strength depending on the type of interaction.
Step 2: Recognize the main types of intermolecular forces listed: dipole-dipole interactions, hydrogen bonding, ion-dipole forces, and London dispersion forces.
Step 3: Recall that ion-dipole forces occur between ions and polar molecules and are generally quite strong due to the full charge on the ion.
Step 4: Know that hydrogen bonding is a special, strong type of dipole-dipole interaction that occurs when hydrogen is bonded to highly electronegative atoms like N, O, or F.
Step 5: Understand that London dispersion forces arise from temporary fluctuations in electron distribution in molecules, causing temporary dipoles; these are generally the weakest intermolecular forces because they are temporary and occur even in nonpolar molecules.
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