Calculate the Oxidation Number of Sulfur in Sodium Metabisulfite, Na₂S₂O₅

question 71

Multiple Choice

Calculate the oxidation number of sulfur in sodium metabisulfite, Na₂S₂O₅.

• A) -2
• B) +2
• C) +4
• D) +5
• E) None of these choices is correct.

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