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Given below are two statements:
Statement-I: Potassium permanganate on heating at 573 K 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 the from the options given below:

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Both statement-I and statement-II are true

Statement-I is false but statement-II is true

Statement-I is true statement-II is false

Both statement-I and statement-II are false

answer is D.

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Detailed Solution

$K M n O_{4}$ on heating dissociates as

$M n^{+ 7} \Rightarrow 3 d^{0} 4 s^{0}$ (Diamagnetic)

$M n^{+ 6} \Rightarrow 3 d^{1} 4 s^{0}$ (Paramagnetic)

Both permanganate and manganate are tetrahedral but only manganate is paramagnetic

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