• # question_answer 67)   In the following questions two or more options may be correct. Which of the following have identical bond order? (a) $C{{N}^{-}}$                              (b) $N{{O}^{+}}$                            (c) $O_{2}^{-}$                                               (d) $O_{2}^{2-}$

 No. of electrons Bond order $C{{N}^{-}}$ 14 3 $N{{O}^{+}}$ 14 3 $O_{2}^{-}$ 17 1.5 $O_{2}^{2-}$ 18 1.0