Practice question
Question
Which molecule has a bond order of 3 and is diamagnetic?
Explanation
For N₂ : (sigma 1s)² (sigma^* 1s)² (sigma 2s)² (sigma^* 2s)² (pi 2px)² (pi 2py)² (sigma 2pz)² . Bonding = 10, antibonding = 4. Bond order = (10 - 4/2) = 3 , with all electrons paired (diamagnetic).