Which of the following group of molecules have2.5 bond order:

Options

A. `N_(2)^(2-), O_(2)^(2-), CO`
B. `N_(2)^(+),O_(2)^(+), NO`
C. `C_(2)^(2-), BN, O_(2)`
D. `CN^(-), NO^(+), O_(2)^(2+)`

Answer

B