MCQ
Which is not the true statement about $KMnO_4$ ?
- AIts solution is unstable in acidic medium
- BIt gets reduced to $MnO_2$ in neutral medium
- ✓$MnO_4^-$ changes to $Mn^{+2}$ in basic medium
- DIt is self indicator in $Fe^{+2}$ or $C_2O_4^{ -2}$ titration
