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प्रश्न
Complete the following equations : 2 MnO2 + 4 KOH + O2 →
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उत्तर
2 MnO2 + 4 KOH + O2 → 2 K2MnO4 + 2 H2O
संबंधित प्रश्न
Complete the following chemical equation
8MnO4- + 3S2O32- + H2O →
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When MnO2 is fused with KOH in the presence of KNO3 as an oxidizing agent, it gives a dark green compound (A). Compound (A) disproportionates in an acidic solution to give a purple compound (B). An alkaline solution of compound (B) oxidizes KI to compound (C) whereas an acidified solution of compound (B) oxidizes KI to (D). Identify (A), (B), (C), and (D).
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Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
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Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with SO2? Write the ionic equation for the reaction.
