Chemical Bonds, Polarity, and Intermolecular Forces Quiz
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Questions and Answers

What is the key difference between polar and nonpolar covalent bonds?

  • Polar covalent bonds have more electrons than nonpolar covalent bonds.
  • Nonpolar covalent bonds have unequal sharing of electrons, while polar covalent bonds involve equal sharing.
  • Polar covalent bonds involve unequal sharing of electrons, while nonpolar covalent bonds involve equal sharing. (correct)
  • Nonpolar covalent bonds are stronger than polar covalent bonds.
  • Why do polar molecules have the strongest intermolecular forces?

  • Since they lack partial charges.
  • Because they have a balanced distribution of charges.
  • Due to their symmetrical structure.
  • They exhibit dipole-dipole interactions. (correct)
  • Which type of bond is formed by sharing three pairs (six electrons) between two atoms?

  • Single bond
  • Double bond
  • Triple bond (correct)
  • Covalent bond
  • How can electronegativity and symmetry be used to predict polarity?

    <p>High electronegativity and asymmetry result in a polar molecule. (D)</p> Signup and view all the answers

    How do intermolecular forces affect the properties of substances like viscosity and boiling point?

    <p>Higher intermolecular forces lead to higher viscosity and boiling points. (D)</p> Signup and view all the answers

    What is the strongest type of intermolecular force among the following?

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

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