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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: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
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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)

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