state gov BSSC Laboratory Assistant Mock Test Series 2025 Chemistry d And f - Block Elements

Preparation of potassium permanganate from MnO2 involves two step process in which the 1st step is a reaction with KOH and KNO3 to produce

1
K4[Mn(OH)6] 
2
K3MnO4 
3
KMnO4 
4
K2MnO4
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