Which of the following statements is true according to molecular orbital theory?

Practice Questions

Q1
Which of the following statements is true according to molecular orbital theory?
  1. Bonding orbitals are higher in energy than antibonding orbitals.
  2. Bonding orbitals are lower in energy than antibonding orbitals.
  3. All molecular orbitals are degenerate.
  4. Molecular orbitals do not influence bond length.

Questions & Step-by-Step Solutions

Which of the following statements is true according to molecular orbital theory?
  • Step 1: Understand what molecular orbital theory is. It explains how atoms combine to form molecules using orbitals.
  • Step 2: Learn about bonding orbitals. These are orbitals that help hold atoms together in a molecule and are lower in energy.
  • Step 3: Learn about antibonding orbitals. These are orbitals that can weaken or prevent bond formation and are higher in energy.
  • Step 4: Recognize the key principle: Bonding orbitals are always lower in energy than antibonding orbitals.
  • Step 5: Conclude that the statement about bonding and antibonding orbitals is true according to molecular orbital theory.
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