試題詳解

7. NCS^- is a kind of ambidentate ligands. Both of N and S can serve as the Lewis base to coordinate with Lewis acids, but N is more hard base than S. In this regard, please pick the Lewis acids more reactive to N than S.
(A) Hg2²⁺,
(B) Fe³⁺,
(C) Cu⁺,
(D) Hg²⁺,
(E) Ag⁺