Given below are two statements :
Statements 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 from the options given below :

Both statement I and statement II are false

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Both statement I and statement II are true

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Statement I is true but statement II is false

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Statement I is false but statement II is true

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Solution

The correct option is C Statement I is true but statement II is false
$K M n O_{4}$ on heating dissociates as

Both permanganate and manganate are trtrahdral but only manganate is paramagnetic.

$+ 7 M n : 3 d^{0} 4 s^{0}$ Diamagnetic

$+ 6 M n : 3 d^{1} 4 s^{0}$ Paramagnetic

$∴$ Statement I is true but statement II is false.

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Action of heat on potassium permanganate at 746K results in formation of:

Potassium manganate can be converted into potassium permanganate by oxidizing it ___________.

When potassium permanganate is heated it produces potassium manganate, manganese dioxide and oxygen gas. This is an example of ______ reaction.

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