A redox reaction example is given. $\text{Zn} + \text{Cu}^{2+} \rightarrow \text{Zn}^{2+} + \text{Cu}$. Which statement about this reaction is correct?
- AZn is the oxidising agent and it oxidises $\text{Cu}^{2+}$.
- BZn is the oxidising agent and it reduces $\text{Cu}^{2+}$.
- CZn is the reducing agent and it oxidises $\text{Cu}^{2+}$.
- DZn is the reducing agent and it reduces $\text{Cu}^{2+}$.