Fusion of MnO 2 , with KOH in presence of O 2 produces a salt W. Alkaline solution of W…
Chemistry · JEE Advanced · NTA Exams — d- and f-Block Elements
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) (2019)
- In both Y and Z, \(\pi\)-bonding occurs between p orbitals of oxygen and d-orbitals of manganese
- Both Y and Z are coloured and have tetrahedral shape
- In aqueous acidic solution, Y undergoes disproportionation reaction to give Z and MnO2
- Y is diamagnetic in nature while Z is paramagnetic
Answer
(A) In both Y and Z, -bonding occurs between p orbitals of oxygen and d-orbitals of manganese, (B) Both Y and Z are coloured and have tetrahedral shape, (C) In aqueous acidic solution, Y undergoes disproportionation reaction to give Z and MnO 2
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