87.11 Polarization of electrode 7.l1.1. Decomposition voltage and overvoltage 1.229 0.401 0.000 H,O 170V 1.229v -0.828 1.0 2.0E 02468101214pH Electrolysis of water Reversible decomposition Effective decomposition voltage voltage7.11.1. Decomposition voltage and overvoltage Electrolysis of water Reversible decomposition voltage Effective decomposition voltage §7.11 Polarization of electrode