MCQ
$Cu^{+2} + 2e^-\to Cu$ , $E^o = X_1$
$Cu^+ + e^-\to Cu$, $E^o = X_2$
Calculate $E^o$ for $Cu^{+2} + e^-\to Cu^+$
- A$2X_2 -X_1$
- ✓$2X_1 -X_2$
- C$X_1 -X_2$
- D$2X_2 -X_1$
✓
Answer
Correct option: B.
$2X_1 -X_2$
b
$\mathrm{E}_{1}^{0} \mathrm{n}_{1}+\mathrm{E}_{2}^{0} \mathrm{n}_{2}=\mathrm{E}_{3}^{0} \mathrm{n}_{3}$
$\mathrm{E}_{1}^{0} \mathrm{n}_{1}+\mathrm{E}_{2}^{0} \mathrm{n}_{2}=\mathrm{E}_{3}^{0} \mathrm{n}_{3}$
$\mathrm{E}^{0} \times 1+\mathrm{X}_{2} \times 1=\mathrm{X}_{1} \times 2$
$\mathrm{E}^{0}=2 \mathrm{X}_{1}-\mathrm{X}_{2}$
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