a) Draw molecular orbital diagrams for the valence molecular orbitals of C2 and O2. You should indicate the atomic orbitals and molecular orbitals in your diagram. For each molecular orbital that contains electrons, draw a sketch of the molecular orbital. Your sketch should be shaded to correctly indicate the relative phases of a bonding or antibonding orbital as appropriate.
b) Refer to the molecular orbital diagrams you drew in part (a) and explain the following observation:
When the O2 molecule is ionized to O2+, its bond becomes stronger; however, when the C2 molecule is ionized to C2+, its bond becomes weaker.