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An aqueous NiF, 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 F2(g) + 2 e→ 2 F(aq) 2.870 02(g) + 4 H30*(aq) + 4 e→ 6 H00 1.229 2 H20(1) + 2 e – H2(g) + 2 OH (aq) -0.828 NP*(aq) - 2 e" –→ Ni(s) -0.250 Half-reaction at anode: Half-reaction at cathode: (b) What is the expected decomposition potential? V

An aqueous NiF, 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 F2(g) + 2 e→ 2 F(aq) 2.870 02(g) + 4 H30*(aq) + 4 e→ 6 H00 1.229 2 H20(1) + 2 e – H2(g) + 2 OH (aq) -0.828 NP*(aq) - 2 e" –→ Ni(s) -0.250 Half-reaction at anode: Half-reaction at cathode: (b) What is the expected decomposition potential? V

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.50QE
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Enter electrons as e". Use smallest possible integer coefficients. States are not required. If a box is not needed, leave it blank. An aqueous NiF, 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 F2(g) + 2 e→2 F(aq) 2.870 02(g) + 4 H30*(aq) + 4 e – → 6 H20() 1.229 2 H20(1) + 2 e → H2(g) + 2 OH (aq) |-0.828 "(aq) + 2 e- → Ni(s) |-0.250 Half-reaction at anode: Half-reaction at cathode: (b) What is the expected decomposition potential? V + +
Transcribed Image Text:Enter electrons as e". Use smallest possible integer coefficients. States are not required. If a box is not needed, leave it blank. An aqueous NiF, 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 F2(g) + 2 e→2 F(aq) 2.870 02(g) + 4 H30*(aq) + 4 e – → 6 H20() 1.229 2 H20(1) + 2 e → H2(g) + 2 OH (aq) |-0.828 "(aq) + 2 e- → Ni(s) |-0.250 Half-reaction at anode: Half-reaction at cathode: (b) What is the expected decomposition potential? V + +
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