See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Sol. 2 2I I 2e     2 2 2 3 4 6 2 4 2 I 2S O 2I S O 2I MnO I Mn             No. of eq. of KI electrolysed = no. of eq. of I2 produced = no. of eq. of Na2S2O3 = 3