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During the electrolysis of an aqueous KCI solution using inert electrodes, two of the following reactions take place at the electrodes, respectively. The pH of the solution around one or both of the electrodes changes as the reaction proceeds. (1) 2H,0() +2e-H,(g) +20H-(aq) (2) H,(g) +20H¯(aq) → 2H,0(€) +2e- (3) 0,(g) + 4H,0*(aq) +4e 6H,0() (4) 6H,0(6) →0,(g) +4H,0*(aq) + 4e - (5) 2Ce ( aq) → ce,(g) +2e- (6) Ce,(g) + 2e- → 20e-(aq) (type (type 'negative' or 'positive') electrode, at which The cathode is the 'reduction' or 'oxidation') takes place. As the reaction proceeds, the pH at this electrode or decreases'). (type 'increases' (choose from reactions (1) to (6) above - type your answer as a The reaction taking place at the anode is number within brackets, eg (3). (type 'out of or 'into') the electrode. Electron flow between the external circuit and the anode is

During the electrolysis of an aqueous KCI solution using inert electrodes, two of the following reactions take place at the electrodes, respectively. The pH of the solution around one or both of the electrodes changes as the reaction proceeds. (1) 2H,0() +2e-H,(g) +20H-(aq) (2) H,(g) +20H¯(aq) → 2H,0(€) +2e- (3) 0,(g) + 4H,0*(aq) +4e 6H,0() (4) 6H,0(6) →0,(g) +4H,0*(aq) + 4e - (5) 2Ce ( aq) → ce,(g) +2e- (6) Ce,(g) + 2e- → 20e-(aq) (type (type 'negative' or 'positive') electrode, at which The cathode is the 'reduction' or 'oxidation') takes place. As the reaction proceeds, the pH at this electrode or decreases'). (type 'increases' (choose from reactions (1) to (6) above - type your answer as a The reaction taking place at the anode is number within brackets, eg (3). (type 'out of or 'into') the electrode. Electron flow between the external circuit and the anode is

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Hint: In this question you must make use of your knowledge of thermodynamics and the redox potential table. During the electrolysis of an aqueous KCI solution using inert electrodes, two of the following reactions take place at the electrodes, respectively. The pH of the solution around one or both of the electrodes changes as the reaction proceeds. (1) 2H,0(6) +2e--H,(g) +20H¯(aq) (2) H,(g) +20H¯(aq) → 2H,0(6) + 2e- (3) 0,(8) + 4H,0*(aq) + 4e¯ → 6H,0(6) (4) 6H,0 (6) →0,(g) +4H,0*(aq) + 4e- (5) 2Ce- ( aq) → Ce,(g) +2e¯ (6) Ce,(g) +2e¯ – 2C²¯ (aq) (type 'negative' or 'positive') electrode, at which (type The cathode is the "reduction' or 'oxidation') takes place. As the reaction proceeds, the pH at this electrode or decreases'). (type 'increases' (choose from reactions (1) to (6) above - type your answer as a The reaction taking place at the anode is number within brackets, eg (3)). (type 'out of or 'into') the electrode. Electron flow between the external circuit and the anode is
Transcribed Image Text:Hint: In this question you must make use of your knowledge of thermodynamics and the redox potential table. During the electrolysis of an aqueous KCI solution using inert electrodes, two of the following reactions take place at the electrodes, respectively. The pH of the solution around one or both of the electrodes changes as the reaction proceeds. (1) 2H,0(6) +2e--H,(g) +20H¯(aq) (2) H,(g) +20H¯(aq) → 2H,0(6) + 2e- (3) 0,(8) + 4H,0*(aq) + 4e¯ → 6H,0(6) (4) 6H,0 (6) →0,(g) +4H,0*(aq) + 4e- (5) 2Ce- ( aq) → Ce,(g) +2e¯ (6) Ce,(g) +2e¯ – 2C²¯ (aq) (type 'negative' or 'positive') electrode, at which (type The cathode is the "reduction' or 'oxidation') takes place. As the reaction proceeds, the pH at this electrode or decreases'). (type 'increases' (choose from reactions (1) to (6) above - type your answer as a The reaction taking place at the anode is number within brackets, eg (3)). (type 'out of or 'into') the electrode. Electron flow between the external circuit and the anode is
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