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Equivalent weight of MnO4^- in the follo...

Equivalent weight of `MnO_4^-` in the following reaction will be
`2MnO_4^(-)+l^(-)+H_2Orightarrow2MnO_2+lO_3^(-)+2OH^-`

A

`frac{M}{3}`

B

`frac{M}{5}`

C

`frac{3M}{11}`

D

`frac{M}{11}`

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