Question: When a small amount of $\mathrm{KMnO}_{4}$ is added to concentrated $\mathrm{H}_{2} \mathrm{SO}_{4}$, a green oily compound is obtained which is highly explosive in nature. Compound may be:
$\mathrm{Mn}_{2} \mathrm{O}_{3}$
$\mathrm{MnSO}_{4}$
$\mathrm{Mn}_{2} \mathrm{O}_{7}$
$\mathrm{MnO}_{2}$
Correct Option:
Solution:
