Answer
$3MnO_{4}^{-} (aq) + 5Al (s) + 24H^{+} (aq)→ 3Mn^{2+} (aq) + 5Al^{3+}(aq) + 12H_{2}O$
Work Step by Step
Since this reaction is in acidic medium, we add H+ ions on the right hand side and water will be produced.
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