問題詳情
25. Which of the following statements is correct?
(A)The low-spin Ru(NH3)62+ ion has 4 unpaired electrons.
(B)The Ni(H2O)62+ ion has 0 unpaired electrons.
(C)The diamagnetic PdCl42- ion has a tetrahedral d8 structure.
(D) CN-is a weaker field ligand than SCN-1 because the Fe(CN)63- ion is paramagnetic with one unpaired electron and theFe(SCN)63- ion has five unpaired electrons.
(E)The F- ligand in the CrF64- ion produces a weak field because the ion is known to have four unpaired electrons.
參考答案
答案：E
難度：非常困難0.0666667
統計：A(1),B(2),C(4),D(4),E(1)