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

Atoms, molecules and stoichiometry — practice question

The Data Booklet should be used for this question. $2.76\,\text{g}$ of ethanol was added to an excess of aqueous acidified potassium dichromate(VI). The mixture was then heated under reflux for one hour. The organic product was afterwards obtained by distillation. The percentage yield of product was $75.0\%$. Determine the mass of product that was collected.

  • A$1.98\,\text{g}$
  • B$2.07\,\text{g}$
  • C$2.70\,\text{g}$
  • D$4.80\,\text{g}$

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