1.

Estimate the cell potential of a Daniel cell having `1.0 M Zn^(2+)` and originally having `1.0 M Cu^(2+)` after sufficient ammonia has been added to the cathode compartment to make the `NH_(3)` concentration `2.0 M`. Given, `E_(Zn//Zn^(2+))^(@)` and `E_(Cu//Cu^(2+))^(@)` are `0.76` and `-0.34 V` respectively. Also equilirbrium constant for the `[Cu(NH_(3))_(4)]^(2+)` formation is `1 xx 10^(12)`.

Answer» Correct Answer - `0.71 V ;`


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