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) \[O_{2}^{2-}\]

Answer:

  (a, b)  

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