Use the References to access important values if needed for this question. A standard galvanic cell is constructed with Co2+ | Co and Cr³+ | Cr 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 Cr³+ | Cr compartment to the Co²+ | Co compartment. In the external circuit, electrons flow from the Cr³+ | Cr compartment to the Co2+ | Co compartment. Co2+ is reduced at the cathode. The anode compartment is the Co²+ | Co compartment. The anode compartment is the Cr³+ | Cr compartment. Submit Answer Retry Entire Group 9 more group attempts remaining

Use the References to access important values if needed for this question. A standard galvanic cell is constructed with Co2+ | Co and Cr³+ | Cr 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 Cr³+ | Cr compartment to the Co²+ | Co compartment. In the external circuit, electrons flow from the Cr³+ | Cr compartment to the Co2+ | Co compartment. Co2+ is reduced at the cathode. The anode compartment is the Co²+ | Co compartment. The anode compartment is the Cr³+ | Cr compartment. 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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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 in which a Pb2+ | Pb 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.) The anode compartment could be I2|I-. The cathode reaction is Pb2+ + 2e- -> Pb Pb is oxidized at the cathode. Pb2+ is reduced at the cathode. In the external circuit, electrons flow from the other compartment to the Pb2+|Pb compartment.
A standard galvanic cell is constructed in which a Ni?* | Ni 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 Ni is oxidized at the cathode. Ni2+ is reduced at the cathode. The anode reaction could be Fe -> Fe2+ + 2e The anode compartment could be I2|I". As the cell runs, anions will migrate from the Ni²"|Ni compartment to the other compartment.
Silver (Ag) is observed to corrode in HCl (1M activity) in aerated condition. 1) Write the anodic and cathodic half reactions. Write ½ reactions as reduction reactions. 2) What are the standard potentials of the ½ reactions Following the previous question, write the overall reaction? 3) What is the overall potential difference?
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 other compartment to the Cd2"|Cd compartment. The cathode reaction is Cd -> Cd²+ + 2e¯ Br2|Br could be the other standard half cell. U Cr**|Cr2+ could be the other standard half cell. The cathode reaction is Cd2+ + 2e -> Cd
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 with Cd2+|Cd and Zn2+|Zn half cell compartments connected by a salt bridge. Which of the following statements are correct?
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-.