The reaction $Zn^{2+} + 2e^{-} \to Zn$ has a standard electrode potential of $-0.76 \ V$. This means:
- A$Zn$ cannot replace hydrogen from acids
- B$Zn$ is a reducing agent
- C$Zn$ is an oxidizing agent
- D$Zn^{2+}$ is a reducing agent
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