In the given chemical reaction, colors of the \( \mathrm{Fe^{2+}} \) and \( \mathrm{Fe^{3+}} \) ions, are respectively:\( 5\mathrm{Fe^{2+}} + \mathrm{MnO_4^-} + 8\mathrm{H^+} \rightarrow \mathrm{Mn^{2+}} + 4\mathrm{H_2O} + 5\mathrm{Fe^{3+}} \)
Green, orange
Green, yellow
Yellow, Green
Yellow, Orange
