Chemistry · d and f Block Elements

JEE Main 2024 — 29 January, Shift 1 — Question 68

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

Option A:
$\mathrm{MnO}_{2} \& \mathrm{~K}_{2} \mathrm{O}_{2}$
Option B:
$\mathrm{K}_{2} \mathrm{MnO}_{4} \& \mathrm{Mn}$
Option C:
$\mathrm{Mn} \& \mathrm{KO}_{2}$
Option D:
$\mathrm{K}_{2} \mathrm{MnO}_{4} \& \mathrm{MnO}_{2}$
Correct

Answer: D

Step-by-step solution

$\mathrm{KMnO}_{4} \xrightarrow{\Delta} \mathrm{~K}_{2} \mathrm{MnO}_{4}+\mathrm{MnO}_{2}+\mathrm{O}_{2}$

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Exam: JEE Main 2024
Paper: 29 January, Shift 1
Subject: Chemistry
Chapter: d and f Block Elements
Topic: Compounds of Manganese

KMnO 4 decomposes on heating at 513 K to form O 2 along with | JEE Main 2024 PYQ with Solution · DhiX AI