What is the chemical formula of manganese(III) oxide.
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What is the chemical formula of manganese(III) oxide
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Verified answer
QUESTION:
What is the chemical formula of manganese(III) oxide?
ANSWER:
Mn₂O₃
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Answer:
Mn 2 O 3
Explanation:
Manganese(III) oxide is a chemical compound with the formula Mn2O3. It occurs in nature as the mineral braunite, and is used in the production of ferrites and thermistors.
Heating MnO2 in air at below 800 °C produces α-Mn2O3 (higher temperatures produce Mn3O4). γ-Mn2O3 can be produced by oxidation followed by dehydration of manganese(II) hydroxide. Many preparations of nano-crystalline Mn2O3 have been reported, for example syntheses involving oxidation of MnII salts or reduction of MnO2.
Manganese(III) oxide is formed by the redox reaction in an alkaline cell:
2 MnO2 + Zn → Mn2O3 + ZnO[citation needed]
Manganese(III) oxide Mn2O3 must not be confused with MnOOH manganese(III) oxyhydroxide. Contrary to Mn2O3, MnOOH is a compound that decomposes at about 300 °C to form MnO2.