Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

When organic compound $X$ reacts with calcium metal, a salt having the empirical formula $\text{CaC}_4\text{H}_4\text{O}_4$ is formed. Which substance could $X$ be?

  • A1, 2 and 3 are correct
  • B1 and 2 only are correct
  • C2 and 3 only are correct
  • D1 only is correct

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