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Q. Complete the given reactions.
(A) $2MnO_4^- + H_2O + I^- \to 2(i) + 2OH^- + IO^-_3$
(B) $MnO_4 + 5Fe^{2+} + 8H^+ \to (ii) + 5(iii) + 4H_2O$
(i) (ii) (iii)
(a) $MnO_2$ $Mn^{2+}$ $Fe^{3+}$
(b) $Mn^{2+}$ $MnO_2$ $Fe^{3+}$
(c) $MnO_2$ $MnO^{2-}_4$ $Fe(OH)_3$
(d) $MnO^{2-}_4$ $Mn^{2+}$ $Fe_2O_3$

The d-and f-Block Elements

Solution:

$2MnO_4^- + H_2O + I^- \to 2MnO_2 + 2OH^- + IO^-_3$
$MnO_4^- + 5Fe^{2+} + 8H^+ \to Mn^{2+} + 5Fe^{3+} + 4H_2O$