Answer: Zinc anode to the copper cathode.
- A Salt bridge to the copper electrode
- B Salt bridge to the zinc electrode
- C Zinc anode to the copper cathode
- D Copper cathode to the zinc anode
Correct answer: C. Zinc anode to the copper cathode
Explanation: In a galvanic cell, oxidation occurs at the zinc anode, releasing electrons that travel through the external wire to the copper cathode where reduction occurs.
In a Daniell cell, electrons flow externally from the zinc anode (oxidation) through the voltmeter to the copper cathode (reduction), while the salt bridge completes the circuit.
Concept context
Explore the link between chemical reactions and electricity. Covers galvanic cells, electrolysis, standard electrode potentials, the Nernst equation, and real-world applications like batteries and corrosion.