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1. Given below are the standard electrode E+1.33V A: Cr0,+14H+6e 2Cr +7 H;Om: B: Cu"+ 2e Cu; E=+0,34V Mn (0 + 4H,0 E =+1.51V C: MnO + 8H (a +5e E=+1.36V 22CI: 2 Zn D: Cly + 2e E: Zn e + 2e E=-0.76V a) ) Define the term standard electrode potential ii) Explain using the E" values why HCl can be used to acidify K,Cry0, but not KMnO i) Write down the cell diagram and calculate the e.m.fof the cell made by coupling B and E

1. Given below are the standard electrode E+1.33V A: Cr0,+14H+6e 2Cr +7 H;Om: B: Cu"+ 2e Cu; E=+0,34V Mn (0 + 4H,0 E =+1.51V C: MnO + 8H (a +5e E=+1.36V 22CI: 2 Zn D: Cly + 2e E: Zn e + 2e E=-0.76V a) ) Define the term standard electrode potential ii) Explain using the E" values why HCl can be used to acidify K,Cry0, but not KMnO i) Write down the cell diagram and calculate the e.m.fof the cell made by coupling B and E

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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1. Given below are the standard electrode potentials of a number of Redox systems E+1.33V +7 H;O: A: CrO,+ 14H+6e = 2Cr +2e Cu: E=+0,34V B: Cu (ag) C: MnO +8H ( +5e Mn + 4H;0 E =+1.51V E =+1.36V D: Cl +2e E: Zn + 2e a) Define the term standard electrode potential 2C1i 2 Zn E=-0.76V if) Explain using the E" values why HCl can be used to acidify K,Cry0, but not KMNO i) Write down the cell diagram and calculate the e.m.fof the cell made by coupling B and E
Transcribed Image Text:1. Given below are the standard electrode potentials of a number of Redox systems E+1.33V +7 H;O: A: CrO,+ 14H+6e = 2Cr +2e Cu: E=+0,34V B: Cu (ag) C: MnO +8H ( +5e Mn + 4H;0 E =+1.51V E =+1.36V D: Cl +2e E: Zn + 2e a) Define the term standard electrode potential 2C1i 2 Zn E=-0.76V if) Explain using the E" values why HCl can be used to acidify K,Cry0, but not KMNO i) Write down the cell diagram and calculate the e.m.fof the cell made by coupling B and E
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