In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic ?

Options

A. `NO to NO^(+)`
B. `O_2 to O_2^(2-)`
C. `O_2 to O_2^(+)`
D. `N_2 to N_2^(+)`

Answer

A

Explanation

`NO to NO^(+)`