See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

(i)   2 0 4 2 1 MnO 8H 5e Mn 4H O G          (ii)   2 0 2 2 2 MnO 4H 2e Mn 2H O G         Equation (i) and (ii) give the required equation   0 4 2 2 3 MnO 4H 3e MnO 2H O G         0 0 0 3 1 2 G G G      0 0 0 3 1 2 3FE 5FE 2FE    0 0 0 1 2 3 5E 2E E 3            0 3 5 1.51 2 1.18 E