試題詳解

20. Which of the followings octahedral complexes will not form precipitate of AgI at once after the aqueous AgNO₃ is added?
(A) Co(NH₃)₆I₃
(B) Pt(NH₃)₄I₄
(C) Na₂PtI₆
(D) Cr(NH₃)₄I₃
(E) All of them will form AgI precipitate.