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`MnO_(2)` के क्षारीय ऑक्सीकारी संलयन (alkaline oxidative fusion) के उप्ताद में `Mn` की ऑक्सीकरण संख्या है :

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`MnO_(2)` के क्षारीय ऑक्सीकारी संलयन (alkaline oxidative fusion) के उप्ताद में `Mn` की ऑक्सीकरण संख्या है :
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`MnO_(2)+ 4KOH+O_(2) to 2K_(2)MnO_(4)+2H_(2)O`
माना `K_(2)MnO_(4)` में `Mn` की आ सं a है।
`:. 2xx1+a4xx(-2)=0`
या `=+6`
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