A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge. Pb2+ (aq) + Co(s) →→→ Pb(s) + Co²+ (aq) The anode reaction is: + The cathode reaction is: + In the external circuit, electrons migrate In the salt bridge, anions migrate + + the Pb|Pb2+ electrode the Pb|Pb2+ compartment | from to the ColCo²+ electrode. the ColCo2+ compartment.
A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge. Pb2+ (aq) + Co(s) →→→ Pb(s) + Co²+ (aq) The anode reaction is: + The cathode reaction is: + In the external circuit, electrons migrate In the salt bridge, anions migrate + + the Pb|Pb2+ electrode the Pb|Pb2+ compartment | from to the ColCo²+ electrode. the ColCo2+ compartment.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
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:A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge.
Pb²+ (aq) + Co(s) →→→ Pb(s) + Co²+ (aq)
The anode reaction is:
+
The cathode reaction is:
+
→
In the external circuit, electrons migrate
In the salt bridge, anions migrate
+
Enter electrons as e.
Use smallest possible integer coefficients for ALL reactions.
If a box is not needed, leave it blank.
+
the Pb|Pb2+ electrode [
✓the Pb|Pb2+ compartment
from
to
✓the Co| Co²+ electrode.
the ColCo2+ compartment.
Transcribed Image Text:A voltaic cell is constructed in which the anode is a Cr Cr³+ half cell and the cathode is a Pb|Pb2+ 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
In the salt bridge, anions migrate
+
+
+
the Pb|Pb2+ electrode
the Cr Cr³+ compartment
Enter electrons as e
from
to
✓the Cr Cr³+ electrode.
the Pb|Pb2+ compartment.
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