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
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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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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