In the reaction represented by the equation; 2FeCI3 + SO2 + 2H2O → 2FeCL2 +
CHEMISTRY
WAEC 1990
In the reaction represented by the equation; 2FeCI3 + SO2 + 2H2O → 2FeCL2 + H2SO4 + 2HCI the oxidation number of sulphur changes from
- A. +2 to + 6
- B. + 4 to + 6
- C. 0 to + 6
- D. - 2 to + 4
Correct Answer: B. + 4 to + 6
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