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Question: Answered & Verified by Expert
On heating potassium permanganate, one of the following compound is not obtained:
Chemistryd and f Block ElementsJEE Main
Options:
  • A \( \mathrm{O}_{2} \)
  • B \( \mathrm{MnO} \)
  • C \( \mathrm{MnO}_{2} \)
  • D \( \mathrm{K}_{2} \mathrm{MnO}_{4} \)
Solution:
1206 Upvotes Verified Answer
The correct answer is: \( \mathrm{MnO} \)
Heating of potassium permanganate salt at \( 513 \mathrm{~K} \)
\( 2 \mathrm{KMnO}_{4}^{-}->\mathrm{K}_{2} \mathrm{MnO}_{4}+\mathrm{MnO}_{2}+\mathrm{O}_{2} \)
Hence, on heating of potassium permanganate, MnO will not be obtain.

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