常温下，往H2O2溶液中滴加少量FeSO4溶液，可发生如下两个反应：2Fe2++H2O2+2H+＝2Fe3++2H2O 2Fe3++H2O2＝2Fe2++O2↑+2H+下列说法正确的是A．H2O2的氧

问题

常温下，往H2O2溶液中滴加少量FeSO4溶液，可发生如下两个反应：

2Fe2++H2O2+2H+＝2Fe3++2H2O 2Fe3++H2O2＝2Fe2++O2↑+2H+下列说法正确的是

A．H2O2的氧化性比Fe3+强，其还原性比Fe2+弱

B．在H2O2分解过程中，溶液的pH逐渐下降

C．在H2O2分解过程中， Fe2+和Fe3+的总量保持不变

D．H2O2生产过程要严格避免混入Fe2+

参考答案

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