Question:
Preparation of KMnO\(_4\) from Mg(II):
Preparation of KMnO\(_4\) from Mg(II):
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The oxidation of manganese compounds (like MnO\(_2\)) to higher oxidation states such as +7 is essential for the preparation of potassium permanganate.
Updated On: Apr 25, 2025
- Manganese oxide
- Potassium permanganate
- Manganese dioxide
- Potassium manganese oxide
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The Correct Option is B
Solution and Explanation
The preparation of potassium permanganate KMnO\(_4\) from magnesium (Mg) typically involves an oxidation reaction. Magnesium reacts with manganese(II) compounds to form manganese dioxide MnO\(_2\), which is then further oxidized to potassium permanganate. The overall reaction process involves first converting Mn(II) (in a compound like magnesium permanganate) to Mn(VII) (in KMnO\(_4\)) through oxidation. The potassium cation (K\(+\)) is introduced to form potassium permanganate KMnO\(_4\). Thus, the correct answer is Potassium permanganate KMnO\(_4\).
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