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 indicate a gas involved in a half-cell in cell notation.
Describe how to represent a cell in which a solid metal is oxidized and a gas is reduced.
Describe how to write the cell notation for a cell where both half-cells use the same metal but different ion concentrations.
Describe the general format for writing electrochemical cell notation.
Explain the significance of including the physical state of each species in cell notation.
Explain why an inert electrode such as platinum is used in some electrochemical cells.
Explain why the order of writing species in cell notation is important.
In the cell notation Fe(s) | Fe2+(aq) || Cu2+(aq) | Cu(s), which species is being oxidized?
Which of the following cell notations represents a cell where MnO4- is reduced to Mn2+ and Fe2+ is oxidized to Fe3+? (1) Pt(s) | Fe2+(aq), Fe3+(aq) || MnO4-(aq), Mn2+(aq) | Pt(s) (2) Pt(s) | MnO4-(aq), Mn2+(aq) || Fe2+(aq), Fe3+(aq) | Pt(s) (3) Pt(s) | Fe2+(aq), Fe3+(aq) || Mn2+(aq), MnO4-(aq) | Pt(s) (4) Pt(s) | Fe3+(aq), Fe2+(aq) || MnO4-(aq), Mn2+(aq) | Pt(s)
Which of the following correctly represents the cell notation for a Daniell cell? (1) Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s) (2) Cu(s) | Cu2+(aq) || Zn2+(aq) | Zn(s) (3) Zn(s) || Cu2+(aq) | Cu(s) (4) Zn2+(aq) | Zn(s) || Cu(s) | Cu2+(aq)
Which of the following is NOT a correct feature of electrochemical cell notation? (1) The anode is written on the left (2) The cathode is written on the right (3) The salt bridge is represented by a single vertical line (4) Phases are separated by a single vertical line
Which of the following is the correct cell notation for a cell where both half-cells involve only aqueous ions? (1) Fe2+(aq) | Fe3+(aq) || MnO4-(aq) | Mn2+(aq) (2) Pt(s) | Fe2+(aq), Fe3+(aq) || MnO4-(aq), Mn2+(aq) | Pt(s) (3) Fe2+(aq), Fe3+(aq) || MnO4-(aq), Mn2+(aq) (4) Fe3+(aq) | Fe2+(aq) || MnO4-(aq) | Mn2+(aq)
Fill in the blank: In the cell notation Ag(s) | Ag+(aq) || Cu2+(aq) | Cu(s), the ________ is the cathode.
Fill in the blank: In the cell notation Fe(s) | Fe2+(aq, 0.01 M) || Fe2+(aq, 1.0 M) | Fe(s), the cell is a ________ cell.
Fill in the blank: In the cell notation Pt(s) | H2(g, 1 atm) | H+(aq, 1 M) || Cu2+(aq, 1 M) | Cu(s), the standard hydrogen electrode is represented on the ________.
Fill in the blank: In the cell notation, a single vertical line '|' separates ________.
True or False: In electrochemical cell notation, the anode is always written on the left and the cathode on the right.
True or False: The cell notation always includes the concentration of solutions if they are not standard (1 M).
True or False: The cell notation Cu(s) | Cu2+(aq) || Zn2+(aq) | Zn(s) represents a cell where copper is oxidized and zinc is reduced.
True or False: The cell notation for a cell with a gas electrode must always include the pressure of the gas if it is not at standard conditions.
