A pinkish solution and bubbles were observed at the electrode. Which of the following occurred at the electrode? At the (-) anode electrode where reduction reaction occurred to produce OH-ion which caused the pink solution and H: bubbles around the electrode. At the (+) anode electrode where oxidation reaction occurred to produce OH-ion which caused the pink solution and H: bubbles around the electrode. At the (-) cathode electrode where reduction reaction occurred to produce OH-ion O which caused the pink solution and H: bubbles around the electrode. O At the cathode is where the reaction occurred: 20H- + H: → 2H₂0 +2e-

A pinkish solution and bubbles were observed at the electrode. Which of the following occurred at the electrode? At the (-) anode electrode where reduction reaction occurred to produce OH-ion which caused the pink solution and H: bubbles around the electrode. At the (+) anode electrode where oxidation reaction occurred to produce OH-ion which caused the pink solution and H: bubbles around the electrode. At the (-) cathode electrode where reduction reaction occurred to produce OH-ion O which caused the pink solution and H: bubbles around the electrode. O At the cathode is where the reaction occurred: 20H- + H: → 2H₂0 +2e-

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...

See similar textbooks

Similar questions

A standard galvanic cell is constructed with Ni2+ | Ni and Zn2+ | Zn 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 Zn2+|Zn compartment. As the cell runs, anions will migrate from the Zn2+|Zn compartment to the Ni2+|Ni compartment. In the external circuit, electrons flow from the Zn2+|Zn compartment to the Ni2+|Ni compartment. O Zn is oxidized at the anode. The cathode compartment is the Ni2+|Ni compartment.
Use the References to access important values if needed for this question. A standard galvanic cell is constructed in which a Ni2+ | 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.) The cathode reaction is Ni²+ + 2e¯ -> Ni In the external circuit, electrons flow from the other compartment to the Ni2+ | Ni compartment. The cathode reaction is Ni -> Ni²+ + 2e- O Ni²+ is reduced at the cathode. The anode compartment could be Fe³+ | Fe²+.
Enter electrons as e-. Use smallest possible integer coefficients. If a box is not needed, leave it blank. Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will occur between Mg metal and F2(g), when the two are brought in contact via half-cells in a voltaic cell.If a reaction will occur, write a balanced net ionic equation for the reaction, assuming that the product ions are in aqueous solution. If no reaction will occur, leave all boxes blank. + +
2)
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.
How do you determine which half-reaction is at the cathode and which at the anode in a voltaic cell?
t/takeCovalentActivity.do?locator-assignment-take [Review Topics] [References] Use the References to access important values if needed for this question. 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.) Fe3+|Fe2+ could be the other standard half cell. Mn2+1Mn could be the other standard half cell. OPb is oxidized at the cathode. 0 The cathode reaction is Pb2+ + 2e -> Pb As the cell runs, anions will migrate from the Pb2+|Pb compartment to the other compartment. Submit Answer Retry Entire Group 7 more group attempts remaining
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-.
Use the References to access important values if needed for this question. 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.) O Cu is oxidized at the cathode. O Cr3+|Cr2+ could be the other standard half cell. The anode reaction could be Cr2* -> Cr³* + e Ag"Ag could be the other standard half cell. U As the cell runs, anions will migrate from the Cu2"|Cu compartment to the other compartment. Submit Answer Try Another Version 2 item attempts remaining