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

Atoms, molecules and stoichiometry — practice question

Compound X shows the following characteristics. • If $0.20\,\text{mol}$ of X is completely burned, $14.4\,\text{dm}^3$ of carbon dioxide is formed, with the measurement taken under room conditions. • X reacts with 2,4-dinitrophenylhydrazine reagent to produce an orange crystalline product. • X does not form a yellow precipitate with alkaline $\text{I}_2\text{(aq)}$. What substance could X be?

  • Ahexan-3-one
  • Bpropanal
  • Cpropan-1-ol
  • Dpropanone

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