The standard reduction potentials for the following half-cell reactions are: 2H₂O_(l) = O_2(g) + 4H⁺_(aq) + 4e $E^0 = -1.23V;$ 2H₂O₂(l) = 2O₂(g) + 4H+(aq) + 4e; [insert equation]E⁰ = -0.68V What is the E° for the reaction, 2H₂O_(l) = 2H₂0_(l) + O_2(g) at 298K?

• A.-0.68V
• B.-1.23V
• C.+0.55V
• D.+1.91V