JEE MAIN - Chemistry (2021 - 17th March Morning Shift - No. 8)
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 :
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 :
Statement I is true but statement II is false
Statement I is false but statement II is true
Both statement I and statement II are false
Both statement I and statement II are true
Explanation
Statement-1 : KMnO4 $$\buildrel {573K} \over
\longrightarrow $$ K2MnO4 + MnO2 + O2
Statement-2 :
KMnO4 $$ \Rightarrow $$ Mn7+ $$ \Rightarrow $$ Diamagnetic.
KMnO4 $$ \Rightarrow $$ Mn6+ $$ \Rightarrow $$ Paramagnetic.
Statement-2 :
KMnO4 $$ \Rightarrow $$ Mn7+ $$ \Rightarrow $$ Diamagnetic.
KMnO4 $$ \Rightarrow $$ Mn6+ $$ \Rightarrow $$ Paramagnetic.
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