18) A galvanic cell needs to be set up in which the reduction of Cr³+ to Cr (s) takes place at the cathode. Which of the following redox pairs must be placed at the anode? (A) Fe²+/Fe (s) (B) Sn²+/Sn (s) (C) Zn²+/Zn(s) (D) Fe³+/Fe (s) (E) Pb2+/Pb (s)
18) A galvanic cell needs to be set up in which the reduction of Cr³+ to Cr (s) takes place at the cathode. Which of the following redox pairs must be placed at the anode? (A) Fe²+/Fe (s) (B) Sn²+/Sn (s) (C) Zn²+/Zn(s) (D) Fe³+/Fe (s) (E) Pb2+/Pb (s)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.87QP: Calculate the cell potential of a cell operating with the following reaction at 25C, in which [MnO4]...
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(18) A galvanic cell needs to be set up in which the reduction of Cr³+ to Cr (s) takes place at the cathode. Which of
the following redox pairs must be placed at the anode?
(A)
Fe²+/Fe (s)
(B)
Sn²+/Sn (s)
(C)
Zn²+/Zn(s)
(D)
Fe³+/Fe (s)
(E)
Pb²+/Pb (s)
horas!
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