Question

0.5 g of an iron wire was dissolved in 75 ml of bench H2SO4 and the volume was increased to 250 ml with water. 25 ml of this solution reduced 8.5 ml of N/10 KMnO4 solution.The amount of pure iron present was ​ 1) 0.500 g. 2) 0.252 g. 3) 0.238 g. 4) 0.476 g.

Answer 1

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Explanation: