問題詳情

20. Which of the following complexes shows geometric isomerism?
(A) K[Co(H2O)2Cl4]
(B) [Co(H2O)5Cl]Cl2
(C) [Co(H2O)5Cl]SO4
(D) Na3[CoCl6]
(E) [Co(H2O)6]Cl3

參考答案