試題詳解

73. Although the peroxide ion, O2^2-, and the acetylide ion. C2^2-, have long been known. the diazenide ion N2^2- has only been prepared in 2001. By comparison with the other diatomic species, N₂ and O₂, what is the bond order and number of unpaired electrons for N2^2-, respectively?
(A)1,1
(B)3.1
(C)2.1
(D)2.0
(E) 2.2