Given the following standard reduction potentials: Mg2 (aq) + 2e - Mg(s) E° = -2.357 V %3D Al3* (aq) + 3e - Al(s) E° = -1.68 V Cu2* (aq) + 2e - Cu(s) Eº = 0.339 V Assuming standard conditions, which of the following is a spontaneous reaction? O a. 3Cu(s) + 2AI3* (aq) – 2Al(s) + 3CU2*(aq) O b. Cu(s) + Mg²+(aq) → Cu2* (aq) + Mg(s) O c. Cu2*(aq) + Mg2 (aq) – Cu(s) + Mg(s) O d. 3M92 (aq) + 2Al(s) → 2Al3*(aq) + 3Mg(s) O e. 3Cu2*(aq) + 2Al(s) → 3Cu(s) + 2AI3*(aq) Check
Given the following standard reduction potentials: Mg2 (aq) + 2e - Mg(s) E° = -2.357 V %3D Al3* (aq) + 3e - Al(s) E° = -1.68 V Cu2* (aq) + 2e - Cu(s) Eº = 0.339 V Assuming standard conditions, which of the following is a spontaneous reaction? O a. 3Cu(s) + 2AI3* (aq) – 2Al(s) + 3CU2*(aq) O b. Cu(s) + Mg²+(aq) → Cu2* (aq) + Mg(s) O c. Cu2*(aq) + Mg2 (aq) – Cu(s) + Mg(s) O d. 3M92 (aq) + 2Al(s) → 2Al3*(aq) + 3Mg(s) O e. 3Cu2*(aq) + 2Al(s) → 3Cu(s) + 2AI3*(aq) Check
General Chemistry - Standalone book (MindTap Course List)
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ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.140QP
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Transcribed Image Text:Given the following standard reduction potentials:
Mg2 (aq) + 2e - Mg(s) E° = -2.357 V
Al3* (aq) + 3e - Al(s) E° = -1.68 V
Cu2+(aq) + 2e → Cu(s) E° = 0.339 V
Assuming standard conditions, which of the following is a spontaneous reaction?
O a. 3Cu(s) + 2AI3* (aq) → 2Al(s) + 3CU²*(aq)
O b. Cu(s) + Mg2 (aq) → Cu2+*(aq) + Mg(s)
O c. Cu2*(aq) + Mg²*(aq) → Cu(s) + Mg(s)
O d. 3M92*(aq) + 2Al(s) → 2A3* (aq) + 3Mg(s)
O e. 3Cu2*(aq) + 2Al(s) → 3Cu(s) + 2AI3*(aq)
Check
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