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= + 2eThe 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.

In galvanic cell there is a conversion of chemical energy to electrical energy

Answered: A standard galvanic cell is constructed…

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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A voltaic cell is constructed in which the anode is a Pb | Pb²+ half cell and the cathode is a l| 12 half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: The cathode reaction is: + The net cell reaction is: + → ↑ In the external circuit, electrons migrate In the salt bridge, anions migrate + + Enter electrons as e + the 1₂ electrode the 1₂ compartment [ the Pb | Pb²+ electrode. the Pb | Pb2+ compartment.
Enter electrons as e". A voltaic cell is constructed in which the anode is a Co|Co2+ half cell and the cathode is a Sn|Sn2+ half cell. The half- cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: + + The cathode reaction is: + + The net cell reaction is: + + In the external circuit, electrons migrate e the Sn|Sn2+ electrode e the Co|Co2+ electrode. from or to ? from or to? In the salt bridge, anions migrate e the Co|Co2+ compartment e the Sn|Sn2+ compartment. from or to? from or to? ↑
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 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 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.
Enter electrons as e". A voltaic cell is constructed in which the anode is a Mn Mn2+ half cell and the cathode is a CI|Cl, half cell. The half- cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: The cathode reaction is: The net cell reaction is: In the external circuit, electrons migrate v the Mn|Mn2+ electrode | v the Cl|Cl, electrode. In the salt bridge, anions migrate v the Cl|Cl2 compartment v the Mn|Mn²+ compartment. +
A particular galvanic cell has a redox reaction in which a magnesium metal displaces nickel (II) ion from aqueous solution, as shows in the redox reaction below Mg (s) + Ni"(ag) → Mg*+ Ni(s) Determine the half-cell reaction for both the anode and cathode electrodes.
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
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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.
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