4.35 g of a sample of pyrolusite (MnO 2 ) when heated with conc. HCl gave chlorine. The…
Chemistry · JEE Main · NTA Exams — Some Basic Concepts in Chemistry
4.35 g of a sample of pyrolusite (MnO2) when heated with conc. HCl gave chlorine. The chlorine when passed through potash iodide solution, liberated 6.35 g of iodine. The percentage purity of pyrolusite sample is:
- 40%
- 50%
- 60%
- 70%
Answer
(A) 40%
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