67. Based on the molecular orbital theory, which of the following molecules has the strongest bond?
(A)



【面試倒楣鬼-22幸運上後西】評論
可依照電子數與Bond Order去做判斷,最快是與N2的電子數做對照(A) 與N2相同, B.O. =3(B) B.O. = 2.5(C) B.O. = 2(D) B.O. ~= 5/3 ~= 1.66問最強鍵, 選B.O.最高者 (A) ,若問最短鍵要小心H2或OH,有H的因為半徑小常常會比較短