4.35 g of a sample of pyrolusite (MnO2) when heated with conc. HCI gav – InterviewSolution

1.	4.35 g of a sample of pyrolusite (MnO2) when heated with conc. HCI gave chlorine. The chlorine when passed through potassium iodide solution liberated 6.35 g of iodine. The percentage purity of the pyrolusite sample isa. 40b. 50c. 60d. 70
Answer» Correct option is b. 50

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