Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them

Options

A. `NOltO_(2)^(-)ltC_(2)^(-)ltHe_(2)^(+)`
B. `O_(2)^(-)ltNOltC_(2)^(2-)ltHe_(2)^(+)`
C. `C_(2)^(2-)ltHe_(2)^(+)ltO_(2)^(-)ltNO`
D. `He_(2)^(+)ltO_(2)^(-)ltNOltC_(2)^(2-)`

Answer

D