In which of the following ionisation processes does the bond order increase and the magnetic moment decrease?

Step-by-step solution

According to Molecular Orbital Theory, the bond order is given by N_b - N_a 2 , where N_b is the number of bonding electrons and N_a is the number of antibonding electrons. The magnetic moment depends on the number of unpaired electrons. For N ₂ N ₂^+ , an electron is removed from a bonding molecular orbital ( _ 2p_z ). The bond order decreases from 3 to 2.5. The number of unpaired electrons increases from 0 to 1, so the magnetic moment increases. For O ₂ O ₂^+ , an electron is removed from an antibonding molecular