Chemistry 9701 · AS & A Level · Carbonyl compounds

Carbonyl compounds — practice question

Which reagent would produce comparable results for both butanone and butanal?

  • Aacidified aqueous potassium dichromate(VI)
  • Ban alkaline solution containing complexed $ ext{Cu}^{2+}$ ions (Fehling’s solution)
  • Can aqueous solution containing $[ ext{Ag}( ext{NH}_3)_2]^+$ (Tollens’ reagent)
  • D2,4-dinitrophenylhydrazine reagent

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