What is A ? in the following reaction \( 2 \mathrm{Fe}^{3+}{ }_{\text {(ap })}+\mathrm{Sn}^{2+}{ }_{(\text {aq) })} \rightarrow 2 \mathrm{Fe}^{2+}{ }_{(\text {oq })}+\mathrm{A} \)
Choose 1 answer
A \( \mathrm{Sn}^{3+} \) (aq)
B \( \mathrm{Sn}^{4+}(a q) \)
C \( \mathrm{Sn}^{2+}(a q) \)
D Sn