Predict the following substances can react or not and explain.If yes ,then write the overall ionic equation of the reaction.
(1) Fe(s) + Cu^2+(aq)
(2) I2(aq) + Fe^2+(aq)
(3) Fe^3+(aq) + I^-(aq)
(4) Cu(s) + Zn^2+(aq)
f5 chem urgent!!!!!
2010-11-03 3:14 am
回答 (2)
2010-11-03 4:06 am
✔ 最佳答案
因為我用中文讀的,抱歉,我用中文回答(1) 會.這是置換反應.因為Fe^2+ 在電化序的位置高於Cu^2+
Fe 會將Cu^2+ 置換出來
Fe(s) + Cu^2+(aq) ---> Fe^2+(aq) + Cu(s)
(2) 不會 I2是十分弱的氧化劑 Fe^2+ 不足夠將其還原成I^-
(3) 會 I^- 是強的還原劑 且Fe^3+ 是 氧化劑
2I^- (aq) + 2Fe^3+(aq) ---> I2(aq) + 2Fe^2+
(4)不會 Cu^2+ 在電化序的位置低於 Zn^2+
參考: 自己
2010-11-03 3:26 am
Not sure for the answers
1) No reaction?
2) No reaction?
3) Fe^3+ + I- --> FeI2 iron(II) iodide
4) No reaction?
If I have mistakes, plz tell me
1) No reaction?
2) No reaction?
3) Fe^3+ + I- --> FeI2 iron(II) iodide
4) No reaction?
If I have mistakes, plz tell me
參考: me
收錄日期: 2021-04-13 17:36:38
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