Molecular Orbital Diagrams Quiz

What is the maximum number of electrons that can be accommodated in a 2p atomic orbital?

• 4

• 2

• 6

• 8

Which type of molecular orbital has higher energy, bonding or anti-bonding?

• Bonding

• Both have the same energy

• Depends on the element

• Anti-bonding

Which of the following statements is true about the energy levels of molecular orbitals?

• Energy decreases from bottom to top

• Sigma star 2pz has the lowest energy

• Sigma 1s has the highest energy

• Energy increases from bottom to top

In the molecular orbital diagram of oxygen, which orbitals are responsible for its paramagnetic nature?

• Sigma 2pz

• Pi star 2px and Pi star 2py

• Sigma star 2s

• Sigma 1s

What is the bond order of the oxygen molecule (O2)?

• 1

• 2

• 3

• 2.5

How does the removal of an electron affect the bond order in O2+ ion compared to O2?

• Increases by 0.5

• Decreases by 0.5

• Remains the same

• Increases by 1

Which molecular orbital loses an electron in the formation of O2+ ion?

• Sigma 2s

• Pi 2px

• Pi star 2py

• Sigma star 2pz

What is the bond order of O2- ion?

• 2.5

• 1

• 1.5

• 2

In the O2- ion, which molecular orbital gains an electron?

• Pi star 2px

• Pi 2py

• Sigma 2s

• Sigma star 2pz

What is the nature of O2- ion in terms of magnetism?

• Non-magnetic

• Ferromagnetic

• Paramagnetic

• Diamagnetic