Calculate the oxidation number of MNO
4 -
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Oxygen is mostly negative besides linking with F (fluor).
Oxygen is mostly in -2 oxidation states besides peroxide, superoxides.
Alkaline and alkaline-earth metals are respectively in +1 and +2 ox. states.
Normal molecule must be in 0 ox. state
K Mn O4 - oxidation state of Mn is “x”. So,
(+1) + (x) + (2*(-4)) = 0
x = 7
hope it clarifies ur doubt dear friend..
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As oxygen will have a -2 charge and there are four of them, so collectively they are -8. The anion has a -1 overall charge after the Mn is put in, so Mn must have a +7.
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