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At what concentration of copper sulphate solution, the potential of Cu^(2+), Cubecomes zero? The standard reduction potential of Cu^(2+), Cu is 0.34 V. |
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Answer» SOLUTION :`E = E^(@) +(0.059)/(n) LOG C ` (or) `0=0.34+(0.059)/(2) log [Cu^(2+)]` `0.0295 log [Cu^(2+)]=-0.34` (or) `log[Cu^(2+)]=- (0.34)/(0.0295) = -11.57` `[CuSO_(4)]=10^(-11.57) = 10^(-12+0.43) = 2.9xx10^(-12)M`. |
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