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Q.

Fusion of MnO2 with KOH in presence of O2 produces a salt W alkaline solution of W upon electrolytic oxidation yields another salt X. The manganese containing ions present in W and X, respectively are Y and Z correct statement(s) is(are)

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a

In both Y and Z, p- bonding occurs between p-orbitals of oxygen and d-orbitals of manganese

b

In aqueous acidic solution, Y undergoes disproportionation reaction to give Z and MnO2

c

Both Y and Z are coloured and have tetrahedral shape

d

Y is diamagnetic in nature while Z is paramagnetic

answer is A.

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Detailed Solution

1,2,3 are correct
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