Potassium dimanganate(III) | Wikipedia audio article
Channel: wikipedia tts
Date: 25/10/2018

This is an audio version of the Wikipedia Article:
Potassium dimanganate(III)

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SUMMARY
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Potassium dimanganate(III), K6Mn2O6, is a manganese(III) compound. Unlike lithium and sodium manganites, MMnO2, which are best described as mixed oxides, potassium dimanganite contains discrete Mn2O6−6 anions in the solid state. It rapidly hydrolyzes in air.K6Mn2O6 is prepared as ruby-red crystals by the reaction of excess potassium oxide with manganese(II) oxide in a sealed nickel bomb at 610 °C for ten days. The Mn2O6−6 anion has an Al2Cl6-type structure.