Build voltaic electrochemical cells using the following metals: Al(s), Ni(s), Cu(s), Zn(s), and Mn(s). Except for Al(s), all other reactions are two-electron transfers. Select the anode and then rank the metals according to increasing E°cell compared to that anode. The standard reduction potentials for these metals are below. Cu2+(aq)+2e−--->Cu(s) E° = 0.3419 V Ni2+(aq)+2e−---->Ni(s) E° = −0.257 V Zn2+(aq)+2e−---->Zn(s) E° = −0.7618 V Mn2+(aq)+2e−---->Mn(s) E° = −1.249 V Al3+(aq)+3e−--->Al(s) E° = −1.662 V Indicate which one of the metals should be the anode in all reactions. Choose one: Al(s) Ni(s) Cu(s) Zn(s) Mn(s)
Build voltaic electrochemical cells using the following metals: Al(s), Ni(s), Cu(s), Zn(s), and Mn(s). Except for Al(s), all other reactions are two-electron transfers. Select the anode and then rank the metals according to increasing E°cell compared to that anode. The standard reduction potentials for these metals are below. Cu2+(aq)+2e−--->Cu(s) E° = 0.3419 V Ni2+(aq)+2e−---->Ni(s) E° = −0.257 V Zn2+(aq)+2e−---->Zn(s) E° = −0.7618 V Mn2+(aq)+2e−---->Mn(s) E° = −1.249 V Al3+(aq)+3e−--->Al(s) E° = −1.662 V Indicate which one of the metals should be the anode in all reactions. Choose one: Al(s) Ni(s) Cu(s) Zn(s) Mn(s)
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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Build voltaic
Cu2+(aq)+2e−--->Cu(s) E° = 0.3419 V
Ni2+(aq)+2e−---->Ni(s) E° = −0.257 V
Zn2+(aq)+2e−---->Zn(s) E° = −0.7618 V
Mn2+(aq)+2e−---->Mn(s) E° = −1.249 V
Al3+(aq)+3e−--->Al(s) E° = −1.662 V
Indicate which one of the metals should be the anode in all reactions.
Choose one:
Al(s)
Ni(s)
Cu(s)
Zn(s)
Mn(s)
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