MCQ
Preparation of potassium permanganate from $\mathrm{MnO}_{2}$ involves two step process in which the $1^{\text {st }}$ step is a reaction with KOH and $\mathrm{KNO}_{3}$ to produce
- A$\mathrm{K}_{4}\left[\mathrm{Mn}(\mathrm{OH})_{6}\right]$
- B$\mathrm{K}_{3} \mathrm{MnO}_{4}$
- C$\mathrm{KMnO}_{4}$
- ✓$\mathrm{K}_{2} \mathrm{MnO}_{4}$
