Chemistry 0620 · IGCSE · Ions and ionic bonds

Ions and ionic bonds — practice question

Copper is classified as a transition element. Two copper compounds are copper(II) oxide and copper(II) carbonate. Which row correctly describes these two compounds?

  • Acopper(II) oxide acidic, colour of copper(II) carbonate green
  • Bcopper(II) oxide acidic, colour of copper(II) carbonate white
  • Ccopper(II) oxide basic, colour of copper(II) carbonate green
  • Dcopper(II) oxide basic, colour of copper(II) carbonate white

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