Chemistry 9701 · AS & A Level · Organic synthesis

Organic synthesis — practice question

If 1-bromopropane is first reacted with reagent X and then with reagent Y, propanoic acid is formed. Which reagents are X and Y?

  • AX: $\text{NaOH}(aq)$; Y: $\text{H}^+/\text{Cr}_2\text{O}_7^{2-}(aq)$
  • BX: $\text{NaOH}(aq)$; Y: $\text{CO}_2$
  • CX: KCN in ethanol; Y: $\text{HCl}(aq)$
  • DX: KCN in ethanol; Y: $\text{NaOH}(aq)$

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