Voltaic Cell Worksheet
Explore the principles of voltaic cells, including their components, reactions, and applications, with this comprehensive Grade 11 science worksheet.
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Voltaic Cell Worksheet
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Read each question carefully and answer to the best of your knowledge. Show all your work for calculations.
1. In a voltaic cell, what is the purpose of the salt bridge?
To provide a pathway for electrons to flow.
To maintain electrical neutrality in the half-cells.
To act as a physical barrier between the electrolytes.
To generate the potential difference.
2. Which of the following statements is true regarding the anode in a voltaic cell?
It is where reduction occurs.
It is the positive electrode.
It loses mass during the reaction.
It attracts anions from the salt bridge.
3. A voltaic cell converts energy into energy.
4. Oxidation occurs at the , while reduction occurs at the .
5. Briefly explain the function of the external circuit in a voltaic cell.
6. How does the standard electrode potential determine the spontaneity of a redox reaction?
7. Consider the voltaic cell diagram below:
a) Label the anode and cathode on the diagram.
b) Indicate the direction of electron flow in the external circuit.
c) Indicate the direction of anion and cation flow in the salt bridge.
8. The cathode in a voltaic cell always has a positive charge.
True
False
9. A spontaneous redox reaction occurs in a voltaic cell.
True
False
Match the term with its description.
10. Anode
a. Site of reduction
11. Cathode
b. Negative electrode in a voltaic cell
12. Electrolyte
c. Solution containing ions for charge transfer
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