AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

The overall reaction is shown below.
3MnO42−+4H+→MnO2+2MnO4−+2H2O
3 moles of MnO42− produces 1 mol of MnO2
Therefore,
1 mole of MnO42− produces ‌

1

3

mol of MnO2
3 moles of MnO42− produces 2 mol of MnO4−
Therefore,
1 mole of MnO42− produces ‌

2

3

mol of MnO4−