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已知 (Cu2+/Cu) = 0.34 V,(Fe3+/Fe2+) = 0.77 V,(Ag+/Ag) = 0.80 V。在标准状态下,下列各组物质中不可能共存的是

单选题
2021-09-02 00:11
A、Ag和Fe3+
B、Cu2+和Fe2+
C、Ag+和Fe2+
D、Cu2+和Ag
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正确答案
C

试题解析

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