Fusion of MnO(2) along with KOH and O(2)...

Fusion of `MnO_(2)` along with KOH and `O_(2)` forms X. electrolytic oxidation of X yields Y. X undergoes disproportionation reaction in acidic medium to `MnO_(2)` and Y. The Manganese in X and Y is in the form W and Z respectively, then

W & Z are coloured

W is diamagnetic and Z is paramagnetic

Both W & Z are tetrahedral in shape

Both W & Z involve `p pi-dpi` bonding for `pi` bond

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The correct Answer is:

A, C, D

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