Question

calculate the oxidation number of underlined atoms KMMO4​

Answer 1

Answer:

Explanation:

Let the Ox.no. of Mn in KMnO4

​  be x.

We know that, OX.no. of K=+1

Ox.no. of O=−2

So, Ox. no. K+ Ox. no. Mn + 4(Ox.no.O)=0

or +1+x+4(−2)=0

or +1+x−8=0

or x=+8−1=+7

Hence, Ox.no. of Mn in KMnO4    is +7.

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