Chemistry 5070 · O Level · Redox

Redox — practice question

Magnesium combines with oxygen to produce magnesium oxide. $2\text{Mg} + \text{O}_2 \rightarrow 2\text{MgO}$ Which row is the correct one?

  • AMg: giant lattice; $\text{O}_2$: simple molecules; $\text{Mg}^{2+}$: anion; $\text{O}^{2-}$: cation
  • BMg: simple molecules; $\text{O}_2$: giant lattice; $\text{Mg}^{2+}$: anion; $\text{O}^{2-}$: cation
  • CMg: giant lattice; $\text{O}_2$: simple molecules; $\text{Mg}^{2+}$: cation; $\text{O}^{2-}$: anion
  • DMg: simple molecules; $\text{O}_2$: giant lattice; $\text{Mg}^{2+}$: cation; $\text{O}^{2-}$: anion

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