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

Atoms, molecules and stoichiometry — practice question

When compound Q is tested on its own with alkaline $\text{I}_2$(aq) and also with Tollens’ reagent, both tests are positive. What is compound Q?

  • A$\text{CHOCH}_2\text{CH}_2\text{CHO}$
  • B$\text{CH}_3\text{CH}_2\text{COCHO}$
  • C$\text{CH}_3\text{COCH}_2\text{CHO}$
  • D$\text{CH}_3\text{COCOCH}_3$

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