Chlorine, $\text{Cl}_2$, undergoes reaction with iron(II), $\text{Fe}^{2+}$, ions. $\text{Cl}_2 + 2\text{Fe}^{2+} \rightarrow 2\text{Cl}^- + 2\text{Fe}^{3+}$ Which of the following statements about this reaction is correct?
- AChlorine is oxidised.
- B$\text{Cl}^-$ ions are formed by loss of electrons.
- C$\text{Fe}^{2+}$ ions have gained electrons.
- D$\text{Fe}^{3+}$ ions are formed by oxidation.