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Identify \( A, B \) and \( C \) in the following reactions and choose the correct option using code given below.
\[
\begin{array}{lcc}
2 \mathrm{MnO}_{4}^{-}+\mathrm{H}_{2} \mathrm{O}+\mathrm{I}^{-} & \longrightarrow 2 \mathrm{~A}+2 \mathrm{OH}^{-}+\mathrm{IO}_{3}^{-} \\
\mathrm{MnO}_{4}^{-}+\mathrm{Fe}^{2+}+\mathrm{H}^{+} \longrightarrow \mathrm{B} & \mathrm{B}+5 \mathrm{C}+4 \mathrm{H}_{2} \mathrm{O} \\
\mathrm{A} & \mathrm{B} & \mathrm{C} \\
\text { (a) } \mathrm{MnO}_{2} & \mathrm{Mn}^{2+} & \mathrm{Fe}^{3+} \\
\text { (b) } \mathrm{Mn}^{2+} & \mathrm{MnO}_{2} & \mathrm{Fe}^{3+} \\
\text { (c) } \mathrm{MnO}_{2} & \mathrm{MnO}_{4}{ }^{2-} & \mathrm{Fe}(\mathrm{OH})_{3} \\
\text { (d) } \mathrm{MnO}_{4}{ }^{2-} & \mathrm{Mn}^{2+} & \mathrm{Fe}_{2} \mathrm{O}_{3}
\end{array}
\]
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