A standard galvanic cell is constructed in which a Cu | Cu' half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) As the cell runs, anions will migrate from the CuCu* compartment to the other compartment. 2+ Hg "Hg could be the other standard half cell. U Cu* is oxidized at the cathode. UCr*cr* could be the other standard half cell. The anode reaction could be Cr²* -> Cr* + e Submit Answer Retry Entire Group 9 more group attempts remaining

A standard galvanic cell is constructed in which a Cu | Cu' half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) As the cell runs, anions will migrate from the CuCu* compartment to the other compartment. 2+ Hg "Hg could be the other standard half cell. U Cu* is oxidized at the cathode. UCrcr could be the other standard half cell. The anode reaction could be Cr²* -> Cr* + e Submit Answer Retry Entire Group 9 more group attempts remaining

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Consider a voltaic cell comprised of Zn/Zn2+ at one electrode and Fe2*/Fe3+ at the other electrode at standard conditions. Electrons will flow from the [ Select ] , which is the [ Select ] , and the cations in the salt bridge will flow towards the [Select ] . You may find a list of standard reduction potentials useful.
Refer to the galvanic cell below (the contents of each half-cell are written beneath each compartment): V Pt 0.10 M MnO4 0.40 М Cr3+ 0.20 M Mn2+ 0.30 M Cr,0,2- 0.010 M H* 0.010 MH* The standard reduction potentials are as follows: MnO, + 8H* + 5e → Mn2+ + 4H,O, ɛ° = 1.51 V Cr,0,2- + 14H* + 6e 2Cr** + 7H2O, ɛ° = 1.33 V When current is allowed to flow, which species is oxidized? O Cr,0,²- Cr³+ MnO4 Mn2+ O H*
A standard galvanic cell is constructed with Al3+|Al and I2|I¯ 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.) As the cell runs, anions will migrate from the Al3+|Al compartment to the I2|I compartment. I is oxidized at the anode. In the external circuit, electrons flow from the Al3+|Al compartment to the I2|I compartment. The cathode compartment is the I2|I" compartment. The cathode compartment is the Al3+|Al compartment.
A standard galvanic cell is constructed with Sn²+ | Sn and Al³+ | Al 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.) The cathode compartment is the Sn²+ | Sn compartment. In the external circuit, electrons flow from the Sn²+ | Sn compartment to the Al³+ | Al compartment. As the cell runs, anions will migrate from the Sn²+ | Sn compartment to the A1³+ | Al 2+ compartment. Sn²+ is reduced at the cathode. The anode compartment is the Sn²+ | Sn compartment.
A standard galvanic cell is constructed with Cu2+ | Cu+ and Cl2 | Cl- 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.) -In the external circuit, electrons flow from the Cl2|Cl- compartment to the Cu2+|Cu+ compartment. -The anode compartment is the Cl2|Cl- compartment. -As the cell runs, anions will migrate from the Cl2|Cl- compartment to the Cu2+|Cu+ compartment. -Cu+ is oxidized at the anode. -The cathode compartment is the Cl2|Cl- compartment.
A standard galvanic cell is constructed in which a Cd2+ | Cd half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) In the external circuit, electrons flow from the Cd2+|Cd compartment to the other compartment. As the cell runs, anions will migrate from the Cd2+|Cd compartment to the other compartment. O Cd is oxidized at the cathode. The anode compartment could be I2|I. UThe cathode reaction is Cd2+ + 2e -> Cd.
A standard galvanic cell is constructed in which a H* | H, half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Zn2"Zn could be the other standard half cell. The anode reaction could be Zn -> Zn²= + 2e The cathode reaction is H2 -> 2H* + 2e¯ II could be the other standard half cell. In the external circuit, electrons flow from the other compartment to the H"|H2 compartment.
A standard galvanic cell is constructed in which a Cd²+ | Cd half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) O Cd is oxidized at the cathode. Zn2"|Zn could be the other standard half cell. Hg-"Hg could be the other standard half cell. As the cell runs, anions will migrate from the other compartment to the Cd-"|Cd compartment. In the external circuit, electrons flow from the other compartment to the Cd²"|Cd compartment.
A standard galvanic cell is constructed with Mg2+ | Mg and Br₂ Br half cell compartments connected by a salt bridge. Which of the following statements Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) O The cathode compartment is the Br₂ | Br compartment. The anode compartment is the Br₂ Br compartment. In the external circuit, electrons flow from the Mg2+ | Mg compartment to the Br₂ | Br compartment. As the cell runs, anions will migrate from the Mg2+ | Mg compartment to the Br₂ | Br compartment. O Mg2+ is reduced at the cathode.
A standard galvanic cell is constructed in which a Cu2+ | Cu+ half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) As the cell runs, anions will migrate from the other compartment to the Cu2+|Cu+ compartment. The cathode reaction is Cu+ -> Cu2+ + e-. F2|F- could be the other standard half cell. In the external circuit, electrons flow from the other compartment to the Cu2+|Cu+ compartment. The anode reaction could be Zn -> Zn2+ + 2e-.
A standard galvanic cell is constructed in which a Cd*| Cd half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Hg?" Hg could be the other standard half cell. Mg"|Mg could be the other standard half cell. U As the cell runs, anions will migrate from the Cd2"Cd compartment to the other compartment. The cathode reaction is Cd2+ + 2e -> Cd U The cathode reaction is Cd -> Cd2* + 2e
A standard galvanic cell is constructed in which a Cd2+ | Cd half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) A) As the cell runs, anions will migrate from the Cd2+|Cd compartment to the other compartment. B) The anode compartment could be F2|F-. C) The anode reaction could be Cr2+ -> Cr3+ + e- D) The cathode reaction is Cd -> Cd2+ + 2e- E) Cd2+ is reduced at the cathode.