Easy MCQ +4 / -1 PYQ · JEE Mains 2024

$\mathrm{KMnO}_4$ decomposes on heating at $513 \mathrm{~K}$ to form $\mathrm{O}_2$ along with

  1. A $\mathrm{K}_2 \mathrm{MnO}_4 ~\& \mathrm{~Mn}$
  2. B $\mathrm{MnO}_2 ~\& \mathrm{~K}_2 \mathrm{O}_2$
  3. C $\mathrm{K}_2 \mathrm{MnO}_4 ~\& \mathrm{~MnO}_2$ Correct answer
  4. D $\mathrm{Mn} ~\& \mathrm{~KO}_2$

Solution

<p>$$\mathrm{KMnO}_4 \xrightarrow{\Delta} \mathrm{K}_2 \mathrm{MnO}_4+\mathrm{MnO}_2+\mathrm{O}_2$$</p>

About this question

Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals

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