Electrochemical Cell Notation and Representation
Chemistry ⇒ Redox Reactions and Electrochemistry
Electrochemical Cell Notation and Representation starts at 11 and continues till grade 12.
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Describe how to write the cell notation for a redox reaction involving only aqueous ions and gases, with no solid metal electrodes.
Explain the significance of the order of species in cell notation for a redox reaction.
Explain why a salt bridge is necessary in an electrochemical cell and how it is represented in cell notation.
In the cell notation Pt(s) | H2(g) | H+(aq) || Cl-(aq) | Cl2(g) | Pt(s), what is the function of the platinum electrode?
In the cell notation Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s), which electrode acts as the anode?
In the cell notation: Pt(s) | C2O42-(aq), CO2(g) | MnO4-(aq), Mn2+(aq), H+(aq) | Pt(s), what is missing for this to be a complete cell notation?
In the cell notation: Pt(s) | H2(g, 1 atm) | H+(aq, 1 M) || O2(g, 1 atm) | H+(aq, 1 M) | Pt(s), what is the overall cell reaction?
In the cell notation: Pt(s) | NO3-(aq), NO2(g), H+(aq) || Fe3+(aq) | Fe2+(aq) | Pt(s), what does the comma between NO3-(aq) and NO2(g) indicate?
Which of the following cell notations represents a cell where Cl2(g) is reduced and Fe2+(aq) is oxidized? (1) Fe(s) | Fe2+(aq) || Cl-(aq) | Cl2(g) | Pt(s) (2) Pt(s) | Cl2(g) | Cl-(aq) || Fe2+(aq) | Fe(s) (3) Pt(s) | Fe2+(aq) | Fe3+(aq) || Cl-(aq) | Cl2(g) | Pt(s)
Which of the following is NOT a correct representation of a salt bridge in cell notation? (1) || (2) | (3) double vertical line
Which of the following is the correct cell notation for a cell where Fe(s) is oxidized to Fe2+(aq) and Ag+(aq) is reduced to Ag(s)? (1) Fe(s) | Fe2+(aq) || Ag+(aq) | Ag(s) (2) Ag(s) | Ag+(aq) || Fe2+(aq) | Fe(s) (3) Fe2+(aq) | Fe(s) || Ag(s) | Ag+(aq)
Which of the following is the correct cell notation for a cell with the following half-reactions? Anode: 2Br-(aq) → Br2(l) + 2e-; Cathode: 2H+(aq) + 2e- → H2(g) (1) Pt(s) | Br-(aq) | Br2(l) || H+(aq) | H2(g) | Pt(s) (2) Pt(s) | H2(g) | H+(aq) || Br2(l) | Br-(aq) | Pt(s)
Fill in the blank: In cell notation, a comma is used to separate ________ in the same phase within a half-cell.
Fill in the blank: In cell notation, the ________ is always written on the right side of the salt bridge.
Fill in the blank: In cell notation, the ________ is the site of oxidation.
Fill in the blank: In the cell notation, the species closest to the salt bridge on the left side is the ________ form of the redox couple at the anode.
True or False: In standard cell notation, the anode is always written on the left and the cathode on the right.
True or False: Inert electrodes such as platinum are used when none of the reactants or products in a half-cell is a solid conductor.
True or False: The cell notation for a cell with a gas electrode must include the pressure of the gas if it is not at standard conditions.
True or False: The cell notation for a cell with a solid and an aqueous ion in the same half-cell uses a single vertical line between them.
