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what is the oxidation number of MnO - 4 why it couldn’t be 4 of 7

what is the oxidation number of MnO-4 why it couldn’t be 4 of 7
 

Grade:11

1 Answers

Ashutosh Mohan Sharma
askIITians Faculty 180 Points
8 years ago
We know that contribution of O is -2. Let oxidation number of Mn be X
therefore X – 4*2 = -1
on solving this we get X = +7
Hence oxidation number of Mn is +7 in the given compound

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