Multiple Choice
With which of the following compounds will NH_3 experience only ion-dipole intermolecular forces?
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13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces
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Which of the following substances has the strongest intermolecular forces?
A
N\(_2\)
B
H\(_2\)O
C
CH\(_4\)
D
CO\(_2\)
Verified step by step guidance1
Identify the types of intermolecular forces present in each substance: N\(_2\), H\(_2\)O, CH\(_4\), and CO\(_2\).
Recall that N\(_2\) and CO\(_2\) are nonpolar molecules, so their intermolecular forces are primarily London dispersion forces.
Recognize that CH\(_4\) is also nonpolar, so it mainly exhibits London dispersion forces as well.
Understand that H\(_2\)O is a polar molecule with hydrogen atoms bonded to a highly electronegative oxygen atom, allowing it to form hydrogen bonds, which are stronger than London dispersion forces.
Conclude that because hydrogen bonding is the strongest type of intermolecular force among the options, H\(_2\)O has the strongest intermolecular forces.
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