Question

16.
The standard reduction potential of the reaction at 25°C
H2O + e-
2
H2(g) + OH- is -0.8277 V
The équilibrium constant for the reaction
2H,
OH,O* + OH at 25°C is
1.0 x 10-15
1.0 x 10-14
(2)
(4)
None of these
(3)
1.8 x 10-16​

Answer 1

The standard reduction potential at 25°C of the reaction, 2H2O + 2e- ⇋ H2 + 2OH-, is - 0.8277V.