试题详情
已知Pb
3O
4与HNO
3溶液发生反应Ⅰ:Pb
3O
4+4H
+=PbO
2+2Pb
2++2H
2O;PbO与酸化的MnSO
4溶液发生反应Ⅱ:5PbO
2+2Mn
2++4H
++5
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3Cmtext%3ESO%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmn%3E4%3C%2Fmn%3E%3Cmrow%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
=2
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3Cmtext%3EMnO%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmn%3E4%3C%2Fmn%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
+5PbSO
4+2H
2O。下列推断
错误的是( )
- A、由反应Ⅰ可知,Pb3O4中Pb(Ⅱ)和Pb(Ⅳ)含量之比为2∶1
- B、由反应Ⅱ可知,氧化性:PbO2>
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3Cmtext%3EMnO%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmn%3E4%3C%2Fmn%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
- C、Pb可与稀硝酸发生反应:3Pb+16HNO3=3Pb(NO3)4+4NO↑+8H2O
- D、Pb3O4可与盐酸发生反应:Pb3O4+8HCl=3PbCl2+4H2O+Cl2↑
知识点
参考答案