1.

The standard reduction potential of E_(Bi^(3+)//Bi)^(@) and E_(Cu^(2+)//Cu)^(@) are 0.226 V and 0.344 V respectively. A mixture of salts of Bi and Cu unit concentration each is electrolysed at 25^(@)C. To what value can [Cu^(2+)] be brought down before bismuth starts to deposit during electrolysis ?

Answer»


ANSWER :`10^(-4) M;`


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