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

Atoms, molecules and stoichiometry — practice question

In complete combustion, $1\,$mol of an organic compound X needs $2.5\,$mol of $\text{O}_2$. Which compounds might X be?

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

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