Chemistry 9701 · AS & A Level · Group 2

Group 2 — practice question

A solution includes both $\text{Mg}^{2+}$(aq) and $\text{Sr}^{2+}$(aq) at identical concentration. The solution is split into two equal parts. To one part, aqueous sodium hydroxide is added a drop at a time. To the other part, dilute sulfuric acid is added a drop at a time. Which row is correct?

  • Amagnesium hydroxide; magnesium sulfate
  • Bmagnesium hydroxide; strontium sulfate
  • Cstrontium hydroxide; magnesium sulfate
  • Dstrontium hydroxide; strontium sulfate

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