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The following oxidation and reduction half-reactions are possible for the electrolysis of potassium iodide solution. The solution contains water molecules, potassium ions (K'), and iodide ions (-). 2H:O(1) → O2(g) + 4H (aq) + 4e- 2H;Om + 2e- → Haw + 20H",w) 21m) → laso + 20- K'uu + e+ K 1. What product(s) was (were) formed at the anode in the electrolysis of potassium iodide solution? Explain citing specific evidence from your observations. 2. What product(s) was (were) formed at the cathode in the electrolysis of potassium iodide solution? Explain based on your observations. 3. Write the balance half-reaction that occurred at the anode. 4. Write the balanced half-reaction that occurred at the cathode. 5. Write the balanced chemical equation for the overall redox reaction in the electrolysis of aqueous potassium iodide. Hint: Remember to balance the electrons!

The following oxidation and reduction half-reactions are possible for the electrolysis of potassium iodide solution. The solution contains water molecules, potassium ions (K'), and iodide ions (-). 2H:O(1) → O2(g) + 4H (aq) + 4e- 2H;Om + 2e- → Haw + 20H",w) 21m) → laso + 20- K'uu + e+ K 1. What product(s) was (were) formed at the anode in the electrolysis of potassium iodide solution? Explain citing specific evidence from your observations. 2. What product(s) was (were) formed at the cathode in the electrolysis of potassium iodide solution? Explain based on your observations. 3. Write the balance half-reaction that occurred at the anode. 4. Write the balanced half-reaction that occurred at the cathode. 5. Write the balanced chemical equation for the overall redox reaction in the electrolysis of aqueous potassium iodide. Hint: Remember to balance the electrons!

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
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For the KI solution, The following oxidation and reduction half-reactions are possible for the electrolysis of potassium iodide solution. The solution contains water molecules, potassium ions (K'), and iodide ions (-). 2H:0(1) → O2(g) + 4H (aq) + 4e- 2H2Om + 2e- → Haiw) + 20H"(u4) 21a) → laso + 2e- 1. What product(s) was (were) formed at the anode in the electrolysis of potassium iodide solution? Explain citing specific evidence from your observations. 2. What product(s) was (were) formed at the cathode in the electrolysis of potassium iodide solution? Explain based on your observations. 3. Write the balance half-reaction that occurred at the anode. 4. Write the balanced half-reaction that occurred at the cathode. 5. Write the balanced chemical equation for the overall redox reaction in the electrolysis of aqueous potassium iodide. Hint: Remember to balance the electrons! In addition, answer the above tive questions for the electrolysis of sodium chloride and electrolysis of copper (II) bromide trials.
Transcribed Image Text:For the KI solution, The following oxidation and reduction half-reactions are possible for the electrolysis of potassium iodide solution. The solution contains water molecules, potassium ions (K'), and iodide ions (-). 2H:0(1) → O2(g) + 4H (aq) + 4e- 2H2Om + 2e- → Haiw) + 20H"(u4) 21a) → laso + 2e- 1. What product(s) was (were) formed at the anode in the electrolysis of potassium iodide solution? Explain citing specific evidence from your observations. 2. What product(s) was (were) formed at the cathode in the electrolysis of potassium iodide solution? Explain based on your observations. 3. Write the balance half-reaction that occurred at the anode. 4. Write the balanced half-reaction that occurred at the cathode. 5. Write the balanced chemical equation for the overall redox reaction in the electrolysis of aqueous potassium iodide. Hint: Remember to balance the electrons! In addition, answer the above tive questions for the electrolysis of sodium chloride and electrolysis of copper (II) bromide trials.
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