Chapter 2 Review Questions: Covalent Bonding Theories

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Questions and Answers

According to molecular orbital theory, what type of molecular orbitals may result from the combination of two 2p atomic orbitals?

  • σ and δ
  • Ï€ and δ
  • Ï€ and φ
  • σ and Ï€ (correct)

Which statement concerning diatomic molecules with an even number of electrons is correct based on molecular orbital theory?

  • They exhibit only σ bonds.
  • They are paramagnetic.
  • They are always diamagnetic. (correct)
  • They lack molecular orbitals.

In molecular orbital theory, the combination of two atomic orbitals typically results in the production of how many molecular orbitals?

  • Three
  • Two (correct)
  • One
  • Four

Which type of hybridization can atoms of period 3 and beyond undergo according to the text?

<p>sp³d² (C)</p> Signup and view all the answers

What are the dominant intermolecular forces present in octane, a component of fuel for internal combustion engines?

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

Among the given substances, which one will exhibit hydrogen bonds between molecules?

<p>CH3CH2-OH (B)</p> Signup and view all the answers

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