A standard galvanic cell is constructed with Cr3+ | Cr2+ and Mg2+ | Mg half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Cr³+ is reduced at the cathode. The cathode compartment is the Mg2+ | Mg compartment. As the cell runs, anions will migrate from the Mg2+ | Mg compartment to the Cr3+1 Cr2+ compartment. The cathode compartment is the Cr³+ | Cr²+ compartment. In the external circuit, electrons flow from the Mg2+ |Mg compartment to the Cr3+1 Cr2+ compartment.
A standard galvanic cell is constructed with Cr3+ | Cr2+ and Mg2+ | Mg half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Cr³+ is reduced at the cathode. The cathode compartment is the Mg2+ | Mg compartment. As the cell runs, anions will migrate from the Mg2+ | Mg compartment to the Cr3+1 Cr2+ compartment. The cathode compartment is the Cr³+ | Cr²+ compartment. In the external circuit, electrons flow from the Mg2+ |Mg compartment to the Cr3+1 Cr2+ compartment.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 14P
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Transcribed Image Text:A standard galvanic cell is constructed with Cr3+ | Cr2+ and Mg2+ | Mg half cell
compartments connected by a salt bridge. Which of the following statements are correct?
Hint: Refer to a table of standard reduction potentials.
(Choose all that apply.)
Cr3+ is reduced at the cathode.
The cathode compartment is the Mg2+ | Mg compartment.
As the cell runs, anions will migrate from the Mg2+ |Mg compartment to the
Cr3+ Cr2+ compartment.
The cathode compartment is the Cr³+|Cr2+ compartment.
In the external circuit, electrons flow from the Mg2+ | Mg compartment to the
Cr3+1 Cr2+ compartment.
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