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Which of the following molecules has London dispersion forces as its only intermolecular force?Multiple ChoiceCH3OHCCl4CH3-O-CH3H2ONH3

Question

Which of the following molecules has London dispersion forces as its only intermolecular force?

Multiple Choice

  • CH3OH
  • CCl4
  • CH3-O-CH3
  • H2O
  • NH3
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Solution

The molecule that has London dispersion forces as its only intermolecular force is CCl4.

Here's why:

  1. CH3OH (Methanol): This molecule has hydrogen bonding (due to the presence of an -OH group) and dipole-dipole interactions, in addition to London dispersion forces.

  2. CCl4 (Carbon Tetrachloride): This molecule is nonpolar and does not have any hydrogen atoms bonded to nitrogen, oxygen, or fluorine. Therefore, it only has London dispersion forces.

  3. CH3-O-CH3 (Dimethyl Ether): This molecule has dipole-dipole interactions and London dispersion forces, but no hydrogen bonding.

  4. H2O (Water): This molecule has hydrogen bonding (due to the presence of two -OH groups), dipole-dipole interactions, and London dispersion forces.

  5. NH3 (Ammonia): This molecule has hydrogen bonding (due to the presence of a -NH2 group), dipole-dipole interactions, and London dispersion forces.

So, the only molecule that has only London dispersion forces is CCl4.

This problem has been solved

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