§76 Reversible cell 7. 6. 4 Reversible electrodes Acidic hydrogen electrode hydrogen electrode Pt(s),H2(g, p)lH(c Pt(s), H2(g, p)loh(c) 2H(c)+2e→>H2(g,p) 2H2O(1)+2e→H2(g,p)+2OH(c) acidic B asic oxygen electrode oxvgen electrode Pt(s),o2(g, p)lh(c) Pt(s),o2(g, p)lOH(c) O2(g,p)+4H(c)+4e-→>2H2O()O2(g,p)+2H2O+4e-→>4OH(c)Acidic hydrogen electrode Basic hydrogen electrode Pt(s), H2 (g, p)H+ (c) Pt(s), H2 (g, p) OH− (c) 2H+ (c) + 2e− → H2 (g, p) 2H2O(l) + 2e− → H2 (g, p)+2OH− (c) acidic oxygen electrode Basic oxygen electrode Pt(s), O2 (g, p)H+ (c) Pt(s), O2 (g, p)OH− (c) O2 (g, p) + 4H+ (c) + 4e− → 2 H2O(l) O2 (g, p)+ 2H2O + 4e− → 4OH− (c) 7.6.4 Reversible electrodes §7.6 Reversible cell