객관식
Which type of intermolecular force is primarily responsible for interactions between nonpolar molecules?
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13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces
객관식
Which intermolecular force(s) would be present between molecules of HCl and H2O when they are mixed together?
A
Ion-dipole interactions
B
Only dipole-dipole interactions
C
Only London dispersion forces
D
Hydrogen bonding and dipole-dipole interactions
검증된 단계별 안내1
Identify the types of molecules involved: HCl is a polar molecule with a dipole moment, and H2O is a polar molecule capable of hydrogen bonding due to its O-H bonds.
Recall the main types of intermolecular forces: London dispersion forces (present in all molecules), dipole-dipole interactions (between polar molecules), hydrogen bonding (a special strong dipole-dipole interaction involving H bonded to N, O, or F), and ion-dipole interactions (between ions and polar molecules).
Determine which forces exist between HCl molecules: since HCl is polar but does not have H bonded to N, O, or F, it exhibits dipole-dipole interactions and London dispersion forces.
Determine which forces exist between H2O molecules: H2O molecules exhibit hydrogen bonding (due to O-H bonds), dipole-dipole interactions, and London dispersion forces.
Analyze the interactions between HCl and H2O molecules: since HCl is polar and H2O can hydrogen bond, the main intermolecular forces between them are dipole-dipole interactions and hydrogen bonding (because the H in H2O can interact with the Cl in HCl), but ion-dipole interactions are not present as there are no ions.
