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Calculate the oxidation number of Mn in K2MnO4 and N in HNO3.

Calculate the oxidation number of Mn in K2MnO4 and N in HNO3.

Grade:12

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
8 years ago
As both the molecule is neutral.Therefore the sum of the oxidation state of each atom is equal to zero.
here oxidation state of oxygen =-2
potassium =+1
hydrogen= +1
for K2MnO4
2*(1) +x +4*(-2)=0
x=+6 (oxidation state for manganese)
for HNO3
+1 +X +2(-3)=0
X=+5(nitrogen)

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