从下列三个反应中:2Fe3+ + 2I-= 2Fe2+ + I2,2Fe2+ + Cl2 = 2Fe3+ + 2Cl- 2MnO4

从下列三个反应中2Fe3+ + 2I= 2Fe2+ + I22Fe2+ + Cl2 = 2Fe3+ + 2Cl

2MnO4+10Cl+16H+2Mn2++5Cl2+8H2O判断氧化性最强的分子或离子是_______________若溶液中有C1I共存时为氧化I而使C1不被氧化除单质外应选用上述反应的__________________离子做氧化剂。

答案

 MnO4-   /    Fe3+

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