Multiple Choice
Which intermolecular forces are present in a molecule of CH\(_3\)OH (methanol)?
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13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces
Multiple Choice
Ammonia's unusually high melting point is the result of which type of intermolecular force?
A
ionic bonding
B
hydrogen bonding
C
London dispersion forces
D
dipole-dipole interactions
Verified step by step guidance1
Identify the types of intermolecular forces listed: ionic bonding, hydrogen bonding, London dispersion forces, and dipole-dipole interactions.
Recall that ionic bonding occurs between ions and is not an intermolecular force but rather a strong intramolecular force in ionic compounds.
Understand that London dispersion forces are weak forces present in all molecules but are especially significant in nonpolar molecules.
Recognize that dipole-dipole interactions occur between polar molecules due to the attraction between positive and negative ends.
Note that hydrogen bonding is a special, stronger type of dipole-dipole interaction that occurs when hydrogen is bonded to highly electronegative atoms like nitrogen, oxygen, or fluorine, which explains ammonia's unusually high melting point.
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