Question

Write the preparation of kmno4 from pyrolusite ore

Answer 1

kno 3

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Answer 2

Answer:

Explanation:

2MnO2 + 4KOH +O2 --KNO3---->2K2MnO4 + 2H2O ; 2K2MnO4+Cl2---->2KMnO4+2KCl