Chemistry · Unit 3 · Oxidation and reduction · Redox reactions
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A galvanic cell is constructed using a zinc electrode in zinc sulfate solution and a silver electrode in silver nitrate solution, connected by a salt bridge. Identify whether a potential difference is generated in this cell. Explain your reasoning.
Identify which statement correctly explains why a galvanic cell generates an electrical potential difference.
A copper electrode and a zinc electrode are placed in separate beakers containing copper(II) sulphate and zinc sulphate solutions respectively. When the electrodes are connected via an external circuit and a salt bridge, an electrical current flows. Identify which statement correctly explains why current flows in this galvanic cell.