酸性高锰酸钾》二氧化铅》双氧水H+ + MnO4- = MnO2 + H2OPbO2 + H+ = PbO + H2OH2O2 = H2O
楼上乱讲,比较电极电势可知应该是H2O2>KMnO4>PbO2方程:H2O2+2H++2e-=2H2OMnO4-+8H++5e-=Mn2++4H2OPbO2+4H++2e-=Pb2++2H2O