Chemistry 9701 · AS & A Level · The Periodic Table: chemical periodicity

The Periodic Table: chemical periodicity — practice question

Zirconium, $\text{Zr}$, proton number 40, is a metal used to make corrosion-resistant alloys. Zirconium metal is obtained from the oxide $\text{ZrO}_2$ by the reaction sequence shown below. reaction 1: $\text{ZrO}_2 + 2\text{Cl}_2 + 2\text{C} \rightarrow \text{ZrCl}_4 + 2\text{CO}$ reaction 2: $\text{ZrCl}_4 + 2\text{Mg} \rightarrow \text{Zr} + 2\text{MgCl}_2$ Which of these statements about this extraction process are correct?

  • A1, 2 and 3
  • B1 and 2 only
  • C2 and 3 only
  • D1 only

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