electrochemical series

Question

Metal higher in electrochemical series (more negative E°) tends to:

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1. **Standard Reduction Potential ($E^\circ$)**: In the standard table, high negative values are at the top (e.g., $Li$ at $-3.05$ V).
2. **Stability**: A negative $E^\circ$ means the reduction process ($M^+ + e^- 	o M$) is difficult.
3. **Reactivity**: Conversely, the reverse process—oxidation ($M 	o M^+ + e^-$)—is very easy and energetically favorable.
4. **Conclusion**: Metals high in the series are extremely electropositive and **oxidize more readily**. They can displace metals below them from their salt solutions.

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