In molecular orbital theory, which of the following orbitals is the highest ener

Practice Questions

Q1
In molecular orbital theory, which of the following orbitals is the highest energy in O2?
  1. σ2p
  2. π2p
  3. σ2s
  4. π2s

Questions & Step-by-Step Solutions

In molecular orbital theory, which of the following orbitals is the highest energy in O2?
  • Step 1: Understand that O2 is a molecule made of two oxygen atoms.
  • Step 2: Learn about molecular orbitals, which are formed when atomic orbitals combine.
  • Step 3: Know that in O2, the atomic orbitals from each oxygen atom combine to form molecular orbitals.
  • Step 4: Identify the types of molecular orbitals formed: sigma (σ) and pi (π) orbitals.
  • Step 5: Recognize that the 2p orbitals can form π2p orbitals in O2.
  • Step 6: Compare the energy levels of the molecular orbitals: σ2p, π2p, and others.
  • Step 7: Conclude that the π2p orbitals are higher in energy than the σ2p orbitals in O2.
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