Chemistry 9701 · AS & A Level · Carbonyl compounds

Carbonyl compounds — practice question

Which row gives the correct description of the reactivity of aldehydes and ketones?

  • Awith $\text{NaBH}_4$: both react; with $\text{H}^+/\text{Cr}_2\text{O}_7^{2-}(aq)$: both react
  • Bwith $\text{NaBH}_4$: both react; with $\text{H}^+/\text{Cr}_2\text{O}_7^{2-}(aq)$: only aldehydes react
  • Cwith $\text{NaBH}_4$: only ketones react; with $\text{H}^+/\text{Cr}_2\text{O}_7^{2-}(aq)$: both react
  • Dwith $\text{NaBH}_4$: only ketones react; with $\text{H}^+/\text{Cr}_2\text{O}_7^{2-}(aq)$: only aldehydes react

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