問題詳情
12. Three redox reactions are shown as follows:
(1) 2 FeCl3 +2 KI → 2 FeCl2 + 2 KCl + I2
(2) 2 FeCl2 + Cl2 → 2 FeCl3
(3) 2 KMnO4 + 16 HCl → 2 KCI + 2 MnCl2 + 5 Cl2 + 8 H2O
If a solution contains Fe2+, CI, and I-, which of the following is the reagent to be added to remove I- without oxidizing Fe2+ and CI-?
(A)Cl2
(B)KMnO4
(C)FeCl3
(D)HCI
(E)I2
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增