Verified Solution • 2025–26 Session moderate

QJEEM21Ch821a: JEE Main 2021 Chemistry - Class 12 JEEM21Ch821a Solution: Given below are two statements : Statement I : Potassium…

Given below are two statements :

Statement I : Potassium permanganate on heating at 573K forms potassium manganate.

Statement II : Both potassium permanganate and potassium manganate are tetrahedral and paramagnetic in nature.

In the light of the above statements, choose the most appropriate answer from the options given below :

Multiple Choice Options

  • A Statement I is true but statement II is false
  • B Statement I is false but statement II is true
  • C Both statement I and statement II are false
  • D Both statement I and statement II are true

Step-by-Step Verified Solution

Statement-1 : KMnO4 ⟶573K K2MnO4 + MnO2 + O2

Statement-2 :
KMnO4 ⇒ Mn7+ ⇒ Diamagnetic.
KMnO4 ⇒ Mn6+ ⇒ Paramagnetic.

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