Potassium manganate

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Revision as of 20:05, 18 October 2023 by Admin (talk | contribs) (Created page with "{{Compound|chemf=K2MnO4 |mm=197.132|density=2.78|mp=190(decomp)|bp=|sol_aq=decomp |stp_p=|stp_q= |nfpa_h=1|nfpa_r=1|nfpa_o=OX }} ==Uses== ===Other=== * Precursor to potassium permanganate ==Natural occurrence== Does '''not''' occur naturally ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== #roast a mixture of potassium hydroxide and manganese dioxide in air giving * potassium manganate #: {{#Chem: 2 MnO2 + 4 KOH + O2 = 2...")
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Potassium manganate
Chemical formula K2MnO4
Molar Mass(g/mol) 197.132 
Density(g/cc) 2.78 
Melting Point(°C) 190(decomp) 
Solubility in water(g/L) decomp
NFPA 704
NFPA704.png
0
1
1
OX

Uses

Other

Natural occurrence

Does not occur naturally

Hazards

Character

Production

Extraction

Synthesis

  1. roast a mixture of potassium hydroxide and manganese dioxide in air giving * potassium manganate
    2 MnO2 + 4 KOH + O2 → 2 K2MnO4 + 2 H2O

Testing

Purification

Storage

Disposal

See Also

References

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