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

Chemistry & Chemical Reactivity
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Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
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Problem 94GQ: A voltaic cell is constructed in which one half-cell consists of a silver wire in an aqueous...
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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)
(1) Al3+(aq) +3e → Al(s)
E° = -1.66 V
(2) Al(OH)4(aq) + 3e → Al(s) + 40H(aq)
E° = -2.35 V
(3) Ag (aq) + e→ Ag(s)
E° = +0.80 V
(4) Ag2+(aq) + e → Ag+(aq)
E° = +2.00 V
A. -2.46 V
B. +0.86 V
C. -0.86 V
D. +2.46 V
E. None of these
Give clear solution
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) (1) Al3+(aq) +3e → Al(s) E° = -1.66 V (2) Al(OH)4(aq) + 3e → Al(s) + 40H(aq) E° = -2.35 V (3) Ag (aq) + e→ Ag(s) E° = +0.80 V (4) Ag2+(aq) + e → Ag+(aq) E° = +2.00 V A. -2.46 V B. +0.86 V C. -0.86 V D. +2.46 V E. None of these Give clear solution
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