what is the oxidation no of manganese

redox reaction

71 Views|Posted 2011-11-13 00:07:15

Asked by Satyabrata Das

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Answered by

Sameera Shams | Contributor-Level 10

2011-11-13 09:55:34

Shams@ hi satyabrata Lets say the oxidation number of Mn is x oxygen's oxidation number is -2 and the charge on the molecule is 1- so: 1(x) + 4(-2) = 0 x - 8 = 0 x = +8 and then you must remember that there is a negative charge to the molecule. Subtract 1. therefore oxidation number on Mn