题目
已知varphi^theta((Fe)^3+/(Fe)^2+)=0.77(V)，varphi^theta((Cu)^2+/(Cu))=0.34(V)，则在标准状态下，下列反应能自发进行的是（）A. (Fe)^2++(Cu)=(Fe)+(Cu)^2+B. (Fe)^3++(Cu)=(Fe)^2++(Cu)^2+C. (Fe)+(Cu)^2+=(Fe)^2++(Cu)D. (Fe)^3++(Fe)=2(Fe)^2+
已知$\varphi^{\theta}(\text{Fe}^{3+}/\text{Fe}^{2+})=0.77\text{V}$，$\varphi^{\theta}(\text{Cu}^{2+}/\text{Cu})=0.34\text{V}$，则在标准状态下，下列反应能自发进行的是（）
A. $\text{Fe}^{2+}+\text{Cu}=\text{Fe}+\text{Cu}^{2+}$
B. $\text{Fe}^{3+}+\text{Cu}=\text{Fe}^{2+}+\text{Cu}^{2+}$
C. $\text{Fe}+\text{Cu}^{2+}=\text{Fe}^{2+}+\text{Cu}$
D. $\text{Fe}^{3+}+\text{Fe}=2\text{Fe}^{2+}$
题目解答
答案
BCD
B. $\text{Fe}^{3+}+\text{Cu}=\text{Fe}^{2+}+\text{Cu}^{2+}$
C. $\text{Fe}+\text{Cu}^{2+}=\text{Fe}^{2+}+\text{Cu}$
D. $\text{Fe}^{3+}+\text{Fe}=2\text{Fe}^{2+}$
B. $\text{Fe}^{3+}+\text{Cu}=\text{Fe}^{2+}+\text{Cu}^{2+}$
C. $\text{Fe}+\text{Cu}^{2+}=\text{Fe}^{2+}+\text{Cu}$
D. $\text{Fe}^{3+}+\text{Fe}=2\text{Fe}^{2+}$