A) -0.072 V
B) 0.385 V
C) 0.770V
D) -0.270V
Correct Answer: C
Solution :
\[F{{e}^{3+}}+3e\to Fe,\] \[{{E}^{o}}=-0.036V\] \[F{{e}^{2+}}+2e\to Fe,\] \[{{E}^{o}}=0.439V\] \[F{{e}^{3+}}+e\to F{{e}^{2+}},\] \[{{E}^{o}}=\frac{3(-0.036)-2(-0.439)}{1}\] \[=0.770V\]You need to login to perform this action.
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