Daniel's Cell

What is the chemical reaction that occurs in Daniel's galvanic cell?

• Reduction of zinc and oxidation of copper ions

• Oxidation of zinc and reduction of copper ions

• Electrolysis of zinc and copper

• Combustion of zinc and copper

Name the components of Daniel's galvanic cell.

• positive electrode, negative electrode, resistor

• anode, cathode, electrolyte

• anion, cation, insulator

• copper, zinc, silver

In which direction do electrons flow in Daniel's galvanic cell?

• They don't flow in any direction

• From anode to cathode

• They flow in a circular motion

• From cathode to anode

What is the reduction half-reaction in Daniel's galvanic cell?

• The reduction half-reaction in Daniel's galvanic cell is the reduction of silver (Ag+) to silver metal (Ag)

• The reduction half-reaction in Daniel's galvanic cell is the reduction of copper (Cu2+) to copper metal (Cu).

• The reduction half-reaction in Daniel's galvanic cell is the reduction of iron (Fe2+) to iron metal (Fe)

• The reduction half-reaction in Daniel's galvanic cell is the reduction of zinc (Zn2+) to zinc metal (Zn)

What are the chemical substances involved in the reduction half-reaction of Daniel's galvanic cell?

• H2O and O2

• Fe3+ and 3e-

• Na+ and Cl-

• Cu2+ and 2e-

Explain the role of the salt bridge in Daniel's galvanic cell.

• Maintains electrical neutrality and completes the circuit.

• Provides energy to the cell

• Regulates the temperature of the cell

• Prevents the flow of electrons

What is the purpose of the porous barrier in Daniel's galvanic cell?

• To increase the mixing of the two electrolyte solutions

• To prevent the flow of electrons between the two half-cells

• To separate the two half-cells and allow the flow of ions while preventing the mixing of the two electrolyte solutions.

• To block the flow of ions between the two half-cells

Describe the role of the zinc electrode in Daniel's galvanic cell.

• Has no role in the galvanic cell

• Acts as the cathode, where reduction occurs

• Acts as the anode, where oxidation occurs

• Generates electricity through chemical reactions

Explain the function of the copper electrode in Daniel's galvanic cell.

• It acts as the site of oxidation, where copper metal loses electrons and forms copper ions in the solution.

• It serves as the source of energy for the galvanic cell.

• It has no function in Daniel's galvanic cell.

• It acts as the site of reduction, where copper ions in the solution gain electrons and deposit as solid copper on the electrode.

What is the overall cell reaction in Daniel's galvanic cell?

• Oxidation of copper and reduction of zinc ions

• Reduction of zinc and oxidation of copper ions

• Oxidation of zinc and reduction of copper ions

• Oxidation of iron and reduction of silver ions