Molecular Orbital Theory Quiz Online Practice Test

1. Which of the following compounds features the shortest C-C bond length?

2. The paramagnetism of an oxygen molecule can be explained by:

3. Identify the species that exhibits paramagnetism:

4. Which of the following species is diamagnetic?

5. Which of the following pairs exhibits the same bond order?

6. In the structure of P₄O₁₀, each phosphorus atom is bonded to how many oxygen atoms?

7. When O₂ is reduced to O₂⁻, the additional electron occupies which type of orbital?

8. In which of the following species is the O-O bond length the shortest?

9. Identify the species that does not exhibit paramagnetism:

10. Determine the molecule with the highest bond order:

11. When two atomic orbitals combine, they form:

12. Stability improves as energy:

13. For atomic orbitals to combine effectively, which condition must be met?

14. Which type of molecular orbital has higher energy?

15. For stability of a molecule, when comparing the number of anti-bonding molecular orbitals (NA) to bonding molecular orbitals (NB), the molecule is stable if NA _____ NB.

16. Determine the bond order for an oxygen molecule.

17. What is the relationship between bond order and bond length?

18. Identify the statement that is incorrect about paramagnetic molecules:

19. What is the term for an orbital if the sign of the wave function remains unchanged when reflected about its center?

20. What are the bond orders for O₂, F₂, and N₂ respectively?