When the conditions are right, iron reacts with chlorine to produce iron(III) chloride. $2\text{Fe} + 3\text{Cl}_2 \rightarrow 2\text{FeCl}_3$ Which of the following statements about this reaction is correct?
- AChlorine is the oxidising agent.
- BIron gains electrons.
- CIron is reduced.
- DThis is not a redox reaction.