Transition and InnerTransition Elements - Result Question 68

68. Complete and balance the following reaction.

$\left(\mathrm{NH}_4\right)_2 \mathrm{~S}_2 \mathrm{O}_8+\mathrm{H}_2 \mathrm{O}+\mathrm{MnSO}_4 \longrightarrow \ldots \ldots+\ldots \ldots+\ldots \ldots$

(1993, 1M)

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Solution:

$\begin{aligned}\left(\mathrm{NH}_4\right)_2 \mathrm{~S}_2 \mathrm{O}_8+2 \mathrm{H}_2 \mathrm{O}+\mathrm{MnSO}_4 \longrightarrow & \mathrm{MnO}_2 \\ + & 2 \mathrm{H}_2 \mathrm{SO}_4+\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4\end{aligned}$