In which is transfer of five electrons takes place ?

1.	In which is transfer of five electrons takes place ?
Answer» a. `MnO_(4)^(-) rarrMn^(2+)` b.`CrO_(4)^(-2) rarrCr^(3+)` c.`MnO_4rarrMnO_2` d. `Cr_(2)O_(7)^(2-) rarr2Cr^(3+)` SOLUTION :`overset(+7)(MnO_(4)^(-))overset(5e^(-))rarrMn^(+2)`

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