• question_answer 111)   Which of the following pairs is expected to have the same bond order? (a) ${{O}_{2}},{{N}_{2}}$                            (b) $O_{2}^{+},N_{2}^{-}$                         (c) $O_{2}^{-},N_{2}^{+}$                              (d) $O_{2}^{-},N_{2}^{-}$

 Species ${{N}_{2}}$ ${{O}_{2}}$ $O_{2}^{+}$ $N_{2}^{-}$ $O_{2}^{-}$ $N_{2}^{+}$ Bond order 3 2 2.5 2.5 1.5 2.5