What is the valency of Mn in MnO2 ?
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valency of Mn =1
valency of O2= 2
valency of Mno2= 3
valency of O2= 2
valency of Mno2= 3
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Let Mn=x
As we know, O2 =-2
Therefore, MnO2=>>
x+(-2)=0
=> x=+2
As we know, O2 =-2
Therefore, MnO2=>>
x+(-2)=0
=> x=+2
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