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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
  • E. +2 to + 4
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Correct Answer: Option B
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts