Write a balanced half equation for the following couple: O2(g) | OH-(aq) (basic)
A) O2(g) + OH-(aq) + 4 e- → 2 H2O(l)
B) O2(g) + 2 H2O(l) + 4 e- → 4 OH-(aq)
C) O2(g) + H2O(l) + e- → 2 OH-(aq)
D) O2(g) + 2 H2O(l) → 4 OH-(aq) + 4 e-
E) O2(g) + 2 H2O(l) + 4 e- → 8 OH-(aq)
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