Question

Balance the following reaction using oxidation numbermethod

KIO3+SO2+H2O-----------KHSO4+H2SO4+I2

8.Balance the following reaction by ion electron method

Cr2O72- +Fe2+ ----------------Cr 3+ +Fe 2+ (in acidic medium)​

Answer 1

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Answer 2

ANSWER

Balanced Chemical Reaction:

3H2S+K2Cr2O7+4H2SO4→KHSO4+Cr2(SO4)3+3S+7H2o

The oxidation state of sulphur changes from (-2 to +6) and that of Cr changes from (+6 to +3)