- CO: Bond order of CO is 3, as it has a triple bond structure (C ≡ O).
- NO+: Bond order of NO+ is also 3 (N ≡ O+).
Thus, the sum of the bond orders is:
3 + 3 = 6
Total number of nucleophiles from the following is: \(\text{NH}_3, PhSH, (H_3C_2S)_2, H_2C = CH_2, OH−, H_3O+, (CH_3)_2CO, NCH_3\)