Chemistry 9701 · AS & A Level · Group 2

Group 2 — practice question

Which row correctly compares the solubilities of calcium hydroxide and barium hydroxide, and the thermal stabilities of calcium carbonate and barium carbonate?

  • Asolubility: calcium hydroxide higher, barium hydroxide lower; thermal stability: calcium carbonate higher, barium carbonate lower
  • Bsolubility: calcium hydroxide higher, barium hydroxide lower; thermal stability: calcium carbonate lower, barium carbonate higher
  • Csolubility: calcium hydroxide lower, barium hydroxide higher; thermal stability: calcium carbonate higher, barium carbonate lower
  • Dsolubility: calcium hydroxide lower, barium hydroxide higher; thermal stability: calcium carbonate lower, barium carbonate higher

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