Categories > electrochemistry > Electrode potential > Aluminium displaces hydrogen from acids but copper does not. A galvanic cell prepared by combining $Cu/C{{u}^{2+}}$ and $Al/A{{l}^{3+}}$ has an emf of 2.0 V at 298 K. If the potential of copper electrode is + 0.34 V, that of aluminium is

electrochemistry

Question: Aluminium displaces hydrogen from acids but copper does not. A galvanic cell prepared by combining $Cu/C{{u}^{2+}}$ and $Al/A{{l}^{3+}}$ has an emf of 2.0 V at 298 K. If the potential of copper electrode is + 0.34 V, that of aluminium is


1) + 1.66 V
2) – 1.66 V
3) + 2.34 V
4) – 2.3 V
Solution: Explanation: No Explanation
Electrode potential Ecell Nernst equation and ECS

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