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In the following reaction, M^(x+)+MnO4...

In the following reaction,
`M^(x+)+MnO_4^(-) to MO_3^(-) +Mn^(2+)+1/2 O_2` If one mole of `MnO_4^(-)` oxides 2.5 moles of `M^(x+)` then the value of x is

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The correct Answer is:
2
The reaction is: ` 5M^(x+) + 3 MnO_(4)^(-) to MO_(3)^(-) + Mn^(2+) + 1/2 O_2`
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