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Manganese dioxide

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Manganese dioxide

Molecular formula: MnO2 CAS# 1313-13-9
Categories: Oxide
Names
English:
BOG manganese
Cement Black
Manganese Black
Manganese binoxide
Manganese dioxide
Manganese oxide, (MnO2)(CAS)
Manganese peroxide
Manganese superoxide
Manganese(IV) oxide
Pyrolusite Brown
dioxomanganese(IUPAC)
Русский:
Оксид марганца(IV)
диоксид марганца
German:
Braunstein
Magnesia nigra
Mangan(IV)-oxid
Polianit
Pyrolusit
العربية:
أكسيد المنغنيز الرباعي(IUPAC)
ثنائي أكسيد المنغنيز
Español:
Óxido de manganeso (IV)
French:
C.I. 77728
C.I. Pigment Black 14
C.I. Pigment Brown 8
Dioxyde de manganèse
oxyde de manganèse (IV)
Italiano:
Biossido di manganese
Diossido di manganese
Ossido di manganese IV
日本語:
二酸化マンガン(IUPAC)
酸化マンガン(IV)(IUPAC)
中文:
二氧化锰

Variants of the formula:

MnO2
O=Mn=O
$L(1.2)O//Mn\\O
Mn(+4)O(-2)2
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Manganese dioxide is involved

  • 2MnO2 + 3Cl2 + 8KOH -> 2KMnO4 + 6KCl + 4H2O
  • 3K2MnO4 + 2H2O -> 2KMnO4 + MnO2 + 4KOH
  • 2KMnO4 + 3MnSO4 + 2H2O -> 5MnO2 + K2SO4 + 2H2SO4
  • 2KMnO4 "T"-> K2MnO4 + MnO2 + O2"|^"
  • H2O2 + 2KOH + MnSO4 = 2H2O + MnO2 + K2SO4