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

Atoms, molecules and stoichiometry — practice question

$W$ is treated with alkaline $\text{I}_2\text{(aq)}$, producing a yellow precipitate and $\text{CH}_3\text{CH}_2\text{CO}_2^-\,$ ions. Which row identifies $W$ and the yellow precipitate?

  • Abutanone and $\text{CHI}_3$
  • Bbutanone and $\text{CH}_3\text{I}$
  • Cpropanone and $\text{CHI}_3$
  • Dpropanone and $\text{CH}_3\text{I}$

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