Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

Determine the oxidation number of sulfur in each species? $\text{H}_2\text{S}$\quad $\text{SO}_2$\quad $\text{H}_2\text{SO}_3$

  • A$-2, +4, +4$
  • B$-2, +4, +6$
  • C$+2, -4, +4$
  • D$+2, -4, +6$

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