Oxidation of alcohols and preparative techniques

Oxidation of alcohols and preparative techniques Quiz

Spec 10.18–20 · Edexcel International A Level Chemistry: Quiz

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5 questions, one answer each

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  1. 1. Which alcohol is not oxidised by acidified potassium dichromate(VI)?

    • A. Butan-1-ol
    • B. Butan-2-ol
    • C. Propan-1-ol
    • D. 2-methylpropan-2-ol

  2. 2. Heating butan-1-ol under reflux with excess acidified dichromate(VI) gives mainly which product?

    • A. Butanoic acid
    • B. Butanal
    • C. Butanone
    • D. But-1-ene

  3. 3. Which product gives a brick-red precipitate with Fehling's solution?

    • A. Butanone
    • B. Butanoic acid
    • C. Butanal
    • D. Butan-2-ol

  4. 4. Why is the organic layer treated with anhydrous sodium sulfate?

    • A. To neutralise acid
    • B. To remove traces of water
    • C. To oxidise impurities
    • D. To lower the boiling temperature

  5. 5. What is observed when propanoic acid is added to sodium carbonate solution?

    • A. A brick-red precipitate
    • B. Orange to green
    • C. Effervescence
    • D. No change

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