In which of the following ionisation processes, the bond order has increased and the magnetic behaviour has changed?

In which of the following ionisation processes, the bond order has inc

1.	In which of the following ionisation processes, the bond order has increased and the magnetic behaviour has changed?
Answer» `N_(2)toN_(2)^(+)` `C_(2) to C_(2)^(+)` `NO to NO^(+)` `O_(2) to O_(2)^(+)` ANSWER :C