Consider an electrochemical cell which involves the couples Pb2+/Pb(s) and VO2+/V3+ as anode and cathode, respectively. a) Write the balanced equation for the reaction that occurs when the cell produces current. b) If Ecell = 0.64 v, Eº( Pb²+/Pb(s)) =-0.1263 v, [Pb²+] = 0.010 M, [VO2*]=0.10 M [V3+] = 1.0 x 10-5 M and the pH in the cathode compartment is 1.0, calculate E°(VO2*/V3+).

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
Section19.9: Corrosion: Redox Reactions In The Environment
Problem 2.5ACP: Assume the following electrochemical cell simulates the galvanic cell formed by copper and zinc in...
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Consider an electrochemical cell which involves the couples Pb2+/Pb(s) and
VO2+/V3+ as anode and cathode, respectively.
a) Write the balanced equation for the reaction that occurs when the cell produces
current.
b) If Ecell = 0.64 v, Eº( Pb²+/Pb(s)) =-0.1263 v, [Pb²+] = 0.010 M, [VO2*]=0.10 M
[V3+] = 1.0 x 10-5 M and the pH in the cathode compartment is 1.0, calculate
E°(VO2*/V3+).
Transcribed Image Text:Consider an electrochemical cell which involves the couples Pb2+/Pb(s) and VO2+/V3+ as anode and cathode, respectively. a) Write the balanced equation for the reaction that occurs when the cell produces current. b) If Ecell = 0.64 v, Eº( Pb²+/Pb(s)) =-0.1263 v, [Pb²+] = 0.010 M, [VO2*]=0.10 M [V3+] = 1.0 x 10-5 M and the pH in the cathode compartment is 1.0, calculate E°(VO2*/V3+).
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