A voltaic cell is constructed in which the anode is a Cr*|Cr* half cell and the cathode is a NiNi2+ half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.) The anode reaction is: + The cathode reaction is: + The net cell reaction is: + + In the external circuit, electrons migrate O the Ni|Ni2+ electrode O the Cr2*|Cr3+ electrode. In the salt bridge, anions migrate O the Cr2*|Cr³* compartment O the NiNi2* compartment. + +
A voltaic cell is constructed in which the anode is a Cr*|Cr* half cell and the cathode is a NiNi2+ half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.) The anode reaction is: + The cathode reaction is: + The net cell reaction is: + + In the external circuit, electrons migrate O the Ni|Ni2+ electrode O the Cr2*|Cr3+ electrode. In the salt bridge, anions migrate O the Cr2*|Cr³* compartment O the NiNi2* compartment. + +
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section: Chapter Questions
Problem 7PS: A voltaic cell is constructed using the reaction of chromium metal and iron(II) ions. 2 Cr(s) + 3...
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Transcribed Image Text:2+
3+
A voltaic cell is constructed in which the anode is a Cr2*|Cr* half cell and the cathode is a Ni Ni?+ half cell. The half-cell
compartments are connected by a salt bridge.
(Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.)
The anode reaction is:
+
The cathode reaction is:
+
The net cell reaction is:
+
>
In the external circuit, electrons migrate
O the NiNi?+ electrode
e the Cr2*|Cr³+ electrode.
In the salt bridge, anions migrate
e
the Cr2*|Cr3+ compartment
e the NiNit compartment.
+
↑
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