钢铁的吸氧腐蚀原理 2.为探究钢铁的吸氧腐蚀原理设计了如图所示装置,下列有关说法中错误的是A.正极的电极方程式为:O2 + 2H2O + 4e_ = 4OH _ B.将石墨电极改成Mg电极,难以观察到铁锈生成C
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![钢铁的吸氧腐蚀原理 2.为探究钢铁的吸氧腐蚀原理设计了如图所示装置,下列有关说法中错误的是A.正极的电极方程式为:O2 + 2H2O + 4e_ = 4OH _ B.将石墨电极改成Mg电极,难以观察到铁锈生成C](/uploads/image/z/4809447-63-7.jpg?t=%E9%92%A2%E9%93%81%E7%9A%84%E5%90%B8%E6%B0%A7%E8%85%90%E8%9A%80%E5%8E%9F%E7%90%86+2%EF%BC%8E%E4%B8%BA%E6%8E%A2%E7%A9%B6%E9%92%A2%E9%93%81%E7%9A%84%E5%90%B8%E6%B0%A7%E8%85%90%E8%9A%80%E5%8E%9F%E7%90%86%E8%AE%BE%E8%AE%A1%E4%BA%86%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E8%A3%85%E7%BD%AE%2C%E4%B8%8B%E5%88%97%E6%9C%89%E5%85%B3%E8%AF%B4%E6%B3%95%E4%B8%AD%E9%94%99%E8%AF%AF%E7%9A%84%E6%98%AFA%EF%BC%8E%E6%AD%A3%E6%9E%81%E7%9A%84%E7%94%B5%E6%9E%81%E6%96%B9%E7%A8%8B%E5%BC%8F%E4%B8%BA%EF%BC%9AO2+%2B+2H2O+%2B+4e_+%3D+4OH+_+B%EF%BC%8E%E5%B0%86%E7%9F%B3%E5%A2%A8%E7%94%B5%E6%9E%81%E6%94%B9%E6%88%90Mg%E7%94%B5%E6%9E%81%2C%E9%9A%BE%E4%BB%A5%E8%A7%82%E5%AF%9F%E5%88%B0%E9%93%81%E9%94%88%E7%94%9F%E6%88%90C)
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