Worksheet: Esters

In this worksheet, we will practice writing and interpreting the names and formulas of esters and describing their uses and properties.

Q1:

Which elements compose the central linkage in an ester molecule?

  • ACarbon only
  • BOxygen and hydrogen
  • CCarbon and hydrogen
  • DCarbon, oxygen, and hydrogen
  • ECarbon and oxygen

Q2:

Ethyl methanoate is formed from the reaction between which two compounds?

  • AMethanol and propanoic acid
  • BMethanol and ethanoic acid
  • CMethanol and methanoic acid
  • DEthanol and ethanoic acid
  • EEthanol and methanoic acid

Q3:

What is the name of the chemical formed from the reaction between methanoic acid and ethanol?

  • AEthyl propanoate
  • BMethyl methanoate
  • CMethyl ethanoate
  • DEthyl ethanoate
  • EEthyl methanoate

Q4:

Complete: Ethyl methanoate and methyl ethanoate are similar as they both have the same .

  • Achemical formula
  • Bdisplayed formula
  • Cskeletal formula
  • Dstructural formula
  • Emolecular formula

Q5:

What is the main product of the reaction when methanoic acid is reacted with ethanol?

  • AKetone
  • BAlcohol
  • CCarboxylic acid
  • DAldehyde
  • EEster

Q6:

Complete the word equation. Carboxylicacidalcohol++

  • Apolyester, hydrogen
  • Bpolyester, water
  • Cester, hydrogen
  • Dester, water
  • Eester, hydrochloric acid

Q7:

Complete: When ethanol reacts with ethanoic acid, two compounds are produced. One is ethyl ethanoate and the other is .

  • Acarbon monoxide
  • Bcarbon dioxide
  • Cwater
  • Dhydrogen
  • Eacid

Q8:

Which of the following substances is used as a catalyst in esterification reactions?

  • APalladium
  • BIron
  • CAlkali
  • DWater
  • EAcid

Q9:

Which of the following is not a property that makes ethyl methanoate suitable for use in the manufacture of some perfumes?

  • AVolatility
  • BLow boiling point
  • CSweet, pleasant smell
  • DNontoxicity
  • EFlammability

Q10:

What is the type of reaction used to break down methyl pentanoate into methanol and pentanoic acid?

  • AReduction
  • BHydrolysis
  • CNeutralization
  • DDecomposition
  • EEsterification

Q11:

Which two chemicals would be used to make ethyl methanoate?

  • A(4) and (1)
  • B(5) and (1)
  • C(6) and (1)
  • D(4) and (3)
  • E(5) and (2)

Q12:

Which two chemicals would be used to make ethyl ethanoate?

  • A(5) and (2)
  • B(3) and (5)
  • C(3) and (4)
  • D(1) and (6)
  • E(5) and (1)

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