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Q.
The maximum current can be drawn from which of the following cells?
Electrochemistry
Solution:
$E=E^{\circ}+\frac{0.059}{n} \log \frac{\left[ Cu ^{+2}\right]}{\left[ Zn ^{+2}\right]} $
$[ n =2]$
$E = E ^{\circ}+\frac{0.059}{2} \log \frac{(0.2)}{(0.002)}$
If $\left( Cu ^{+2}\right) \uparrow= E \uparrow$