Question

At 298 K, the standard reduction potential for Cu2+/Cu electrode is 0.34 V.
Given: Ksp Cu(OH)2 = 1 × 10-20
Take $\frac{2.303RT}{F}$= 0.059V
The reduction potential at pH = 14 for the above couple is (-)x x 10-2 V.
The value of x is_____.

Answer 1

The correct answer is: 25