lornab5431 lornab5431

23-01-2024
Chemistry

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Pyrolusite on heating with KOH in presence of air gives a dark green compound (A). The solution of (A) on treatment with sulphuric acid gives a purple colour compound (B). Compound (B) with concentrated H₂SO₄ gives (C) which can decompose to (D) and O₂. What is the number of unpaired electrons in the cation of (D)?

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