Polar and Non-Polar Molecules in Chemistry
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Questions and Answers

What key characteristic distinguishes polar molecules from non-polar molecules?

  • Symmetrical arrangement of atoms
  • Presence of more electronegative atoms
  • Absence of dipole moment
  • Asymmetry in distribution of atoms (correct)

    • Which factor contributes significantly to the polarity of a molecule?

  • Uneven distribution of electrons (correct)
  • Neutral charge within the molecule
  • Symmetrical arrangement of atoms
  • Low electronegativity of the atoms

    • Which molecule is an example of a non-polar molecule?

  • Ammonia (NH₃)
  • Methane (CH₄) (correct)
  • Hydrogen fluoride (HF)
  • Water (H₂O)

    • What type of interactions do polar molecules exhibit due to their polarity?

    <p>Hydrogen bonding</p> Signup and view all the answers

    Why do polar molecules tend to dissolve in other polar substances?

    <p>Attraction due to dipole-dipole interactions</p> Signup and view all the answers

    In non-polar molecules, what results in the overall absence of a dipole moment?

    <p>Symmetric arrangement of atoms</p> Signup and view all the answers

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