Esters

Esters Quiz

Spec 3.10.3.3 · Oxford AQA IGCSE Chemistry: Quiz

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5 questions, one answer each

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  1. 1. What functional group is found in esters?

    • A. −OH
    • B. −COOH
    • C. −COO−
    • D. C=C

  2. 2. Which two types of compound react to form an ester?

    • A. An acid and a metal
    • B. A carboxylic acid and an alcohol
    • C. An alkene and water
    • D. Two alcohols

  3. 3. Which substances react to form ethyl ethanoate?

    • A. Methanol and methanoic acid
    • B. Ethanol and ethanoic acid
    • C. Propanol and ethanoic acid
    • D. Ethanol and hydrochloric acid

  4. 4. What are esters commonly used for, due to their volatility and smell?

    • A. Fuels and solvents only
    • B. Flavourings and perfumes
    • C. Making polymers
    • D. Neutralising acids

  5. 5. A student is given an unknown compound with the structural formula CH3COOC3H7. What class of compound is this, and how can you tell?

    • A. A carboxylic acid, because it contains COOH
    • B. An alcohol, because it contains OH
    • C. An ester, because it contains the −COO− link between two carbon groups
    • D. An alkene, because of the double bond

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