Write the balanced chemical equations involved in the preparation of from pyrolusite ore .
2MnO2 + 4KOH + O2 2K2MnO4 + 2H2O
3MnO42- + 4H+ 2 MnO42- + MnO2 + 2H2O
MnO42- MnO4- + e-
CBSE Date Sheet 2027 LIVE: Class 10, 12 exam dates soon at cbse.gov.in, LOC process begins
CBSE Board Exams 2027: LOC submission for Classes 10, 12 begins tomorrow; check dates and fees
CBSE Date Sheet 2027 LIVE: Class 10, 12 exam dates soon; LOC submission begins, guidelines
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now