NEET Chemistry Standard Electrode Potential MCQ Question
Consider a galvanic cell setup with zinc and copper electrodes submerged in their respective sulfate solutions, connected by a salt bridge. Which of the following statements best describes the flow of electrons and ions during the operation of this setup?
Electrons flow from zinc to copper, and Zn²⁺ ions flow through the salt bridge.
Electrons flow from copper to zinc, and Cu²⁺ ions flow through the salt bridge.
Electrons flow from zinc to copper, and ions migrate through the salt bridge to complete the circuit.
Electrons flow from copper to zinc, and H⁺ ions flow through the salt bridge.
Correct Answer
Detailed Explanation
Electrons produced at the anode due to oxidation of Zn travel through the external circuit to the cathode, reducing the copper ions. The circuit is completed by the migration of ions through the salt bridge.
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