Redox Reactions Question 5

Question 5 - 2024 (29 Jan Shift 1)

$\mathrm{KMnO}{4}$ decomposes on heating at $513 \mathrm{~K}$ to form $\mathrm{O}{2}$ along with

(1) $\mathrm{MnO}{2} & \mathrm{~K}{2} \mathrm{O}_{2}$

(2) $\mathrm{K}{2} \mathrm{MnO}{4} & \mathrm{Mn}$

(3) $\mathrm{Mn} & \mathrm{KO}_{2}$

(4) $\mathrm{K}{2} \mathrm{MnO}{4} & \mathrm{MnO}_{2}$

Show Answer

Answer (4)

Solution

$\mathrm{KMnO}{4} \stackrel{\Delta}{\rightarrow} \mathrm{K}{2} \mathrm{MnO}{4}+\mathrm{MnO}{2}+\mathrm{O}_{2}$