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An aqueous CdI solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Wri ...
An aqueous CdI? solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25 °C I2 +2e ?21 O? + 4 H3O+ + 4 e?? 6 H?0 2 H?O + 2 e H? + 2 OH™ Cd2+ + 2e ??Cd 0.535 Reactants 1.229 -0.828 -0.403 Enter electrons as e. Use the smallest integer coefficients possible. Half-reaction at anode: Products K
Cd2+ + 2e ??Cd Enter electrons as e. Use the smallest integer coefficients possible. Half-reaction at anode: Reactants Half-reaction at cathode: Reactants -0.403 Submit Answer Products Products (b) What is the expected decomposition potential? 10 question attempts remaining V