12. Calculate E° cell for a silver-aluminum cell in which the cell reaction is Al(s)+3Ag+(aq) → Al3+(aq) + 3Ag(s) A. -2.46 V B. +0.86 V C. -0.86 V D. +2.46 V (1) Al3+(aq) +3e → Al(s) (2) Al(OH)4(aq) + 3e → Al(s) + 40H(aq) (3) Ag (aq) + e→ Ag(s) (4) Ag2+(aq) + e→ Ag+(aq) E. None of these E° = -1.66 V E°= -2.35 V E° = +0.80 V E° = +2.00 V

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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.87QP: Calculate the cell potential of a cell operating with the following reaction at 25C, in which [MnO4]...
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12. Calculate E° cell for a silver-aluminum cell in which the cell reaction is
Al(s)+3Ag+(aq) → Al3+(aq) + 3Ag(s)
A. -2.46 V
B. +0.86 V
C. -0.86 V
D. +2.46 V
(1) Al3+(aq) +3e → Al(s)
(2) Al(OH)4(aq) + 3e → Al(s) + 40H(aq)
(3) Ag (aq) + e→ Ag(s)
(4) Ag2+(aq) + e→ Ag+(aq)
E. None of these
E° = -1.66 V
E°= -2.35 V
E° = +0.80 V
E° = +2.00 V
Transcribed Image Text:12. Calculate E° cell for a silver-aluminum cell in which the cell reaction is Al(s)+3Ag+(aq) → Al3+(aq) + 3Ag(s) A. -2.46 V B. +0.86 V C. -0.86 V D. +2.46 V (1) Al3+(aq) +3e → Al(s) (2) Al(OH)4(aq) + 3e → Al(s) + 40H(aq) (3) Ag (aq) + e→ Ag(s) (4) Ag2+(aq) + e→ Ag+(aq) E. None of these E° = -1.66 V E°= -2.35 V E° = +0.80 V E° = +2.00 V
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