It is desired to separate bismuth, copper, and silver in a solution that is 0.0562 M BIO+, 0.125 M Cu²+, 0.0986 M Ag+, and 0.500 M HCIO by controlled-potential electrolysis. Ag+ (aq) + le → Ag(s) Cu²+ + 2e Cu(s) BIO+ (aq) + 2 H+ (aq) + 3 e Bi(s) + H₂O(1) Determine the cell potential at which each ion begins to deposit on the cathode. Report all cell potentials versus Ag/AgCl (E = 0.197 V). Ag+ Ecell = Cu²+ Ecell = BIO+ Ecell = Ag+ Cu²+ Ecell = Ecell = 0.245 Incorrect 0.111 Incorrect Determine the cell potential at which each ion is quantitatively removed from the solution. Use 1.00 x 10-6 M as the criterion for quantitative removal. Report all cell potentials versus Ag/AgCl (E = 0.197 V). Incorrect BIO+ Ecell = 0.040 Incorrect E = 0.799 V E = 0.337 V E = 0.320 V -0.009 Incorrect V V V V V V
It is desired to separate bismuth, copper, and silver in a solution that is 0.0562 M BIO+, 0.125 M Cu²+, 0.0986 M Ag+, and 0.500 M HCIO by controlled-potential electrolysis. Ag+ (aq) + le → Ag(s) Cu²+ + 2e Cu(s) BIO+ (aq) + 2 H+ (aq) + 3 e Bi(s) + H₂O(1) Determine the cell potential at which each ion begins to deposit on the cathode. Report all cell potentials versus Ag/AgCl (E = 0.197 V). Ag+ Ecell = Cu²+ Ecell = BIO+ Ecell = Ag+ Cu²+ Ecell = Ecell = 0.245 Incorrect 0.111 Incorrect Determine the cell potential at which each ion is quantitatively removed from the solution. Use 1.00 x 10-6 M as the criterion for quantitative removal. Report all cell potentials versus Ag/AgCl (E = 0.197 V). Incorrect BIO+ Ecell = 0.040 Incorrect E = 0.799 V E = 0.337 V E = 0.320 V -0.009 Incorrect V V V V V V
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
Problem 98QRT
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Transcribed Image Text:p It is desired to separate bismuth, copper, and silver in a solution that is 0.0562 M BIO+, 0.125 M Cu²+, 0.0986 M Ag+, and
0.500 M HC1O4 by controlled-potential electrolysis.
Ag+ (aq) + 1e → Ag(s)
Cu²+ + 2e
Cu(s)
BIO+ (aq) + 2 H+ (aq) + 3 e¯ → Bi(s) + H₂O(1)
Determine the cell potential at which each ion begins to deposit on the cathode. Report all cell potentials versus
Ag/AgCl (E = 0.197 V).
Ag+ Ecell =
Cu²+ Ecell =
BIO+ Ecell =
Ag+ Ecell =
Cu²+
Ecell =
0.245
Incorrect
0.111
Incorrect
Determine the cell potential at which each ion is quantitatively removed from the solution. Use 1.00 x 10-6 M as the criterion
for quantitative removal. Report all cell potentials versus Ag/AgCl (E = 0.197 V).
Incorrect
BIO+ Ecell =
0.040
Incorrect
E = 0.799 V
E = 0.337 V
E = 0.320 V
-0.009
Incorrect
V
V
V
V
V
V
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