Physics · Electrochemistry
Consider an electrochemical concentration cell where a metal electrode (M) undergoes a redox reaction by forming M+ (M → M+ + e-). The cation M+ is present in two different concentrations c1 and c2. Which of the following statements is correct for generating a positive cell potential?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1If c1 is present at the anode, then c1 > c2
- 2If c1 is present at the cathode, then c1 > c2✓
- 3If c1 is present at the cathode, then c1 < c2
- 4If c1 is present at the anode, then c1 = c2
Correct answer
If c1 is present at the cathode, then c1 > c2
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