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(X) is a very important laboratory reagent which is prepared by its naturally occurring ore which is called pyrolusite. Pyrolusite when fused with alkali in the presence of O2, green compound (Y) is produced. (Y) is converted into (X) by electrolysis or by using ozone.
Select the correct statements.

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(X) is tetrahedral and diamagnetic

(Y) is tetrahedral and paramagnetic

(X) produce dimanganese hepta oxide (oily liquid) with con. $H_{2} {SO}_{4}$

All are correct

answer is D.

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Detailed Solution

Pyrolusite is tetrahedral and diamagnetic and is tetrahedral and paramagnetic. $K_{2} {MnO}_{4} $ (Potassium manganate) is tetrahedral and paramagnetic.

While Pyrolusite produce dimanganese hepta oxide (oily liquid) with con. $H_{2} {SO}_{4}$ .

Hence, option D is correct.

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