Chemistry 9701 · AS & A Level · 2.1

2.1 — practice question

In which substance is the average oxidation number of sulfur greatest?

  • A$\mathrm{S}_8$
  • B$\mathrm{Na}_2\mathrm{S}_4\mathrm{O}_6$
  • C$\mathrm{Na}_2\mathrm{S}_2\mathrm{O}_3$
  • D$\mathrm{SO}_2\mathrm{Cl}_2$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI