MCQ
$\mathrm{KMnO}_4$ decomposes on heating at $513 \mathrm{~K}$ to form $\mathrm{O}_2$ along with
- A$\mathrm{MnO}_2 \& \mathrm{~K}_2 \mathrm{O}_2$
- B$\mathrm{K}_2 \mathrm{MnO}_4 \& \mathrm{Mn}$
- C$\mathrm{Mn} \& \mathrm{KO}_2$
- ✓$\mathrm{K}_2 \mathrm{MnO}_4 \& \mathrm{MnO}_2$
