Question

MnO4- +So2 =Mn2+ + So4 2- balance the redox reaction in acidic medium

Answer 1

Answer:

MnO4- +2SO2 +e- --------> MnO^2+ +2SO42-

Explanation:

MnO4- +8H+ + 5e- ------->Mn^2+ +4H2O

(SO2 +2H2O ------>SO4^2- + 4H+ +2e-)*2

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MnO4- + 2SO2 +e- ------>Mn2+ 2SO4^2-