Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Drawing and naming esters
19 practice questions
Practice questions
11–19 of 19
Question 11
3 marks · Normal
Answer and see the solution →Methanol reacts with benzoic acid (C6H5COOH) to form an ester.
Write the structural formula for the ester produced when one molecule of each reactant combine.
Question 12
4 marks · Normal
Answer and see the solution →The following table shows the names of several esters and their uses.
Ester Name Alcohol Used Carboxylic Acid Used Typical Use Methyl methanoate Methanol Methanoic acid Solvent Ethyl ethanoate Ethanol Ethanoic acid Nail polish remover Butyl propanoate Butanol Propanoic acid Flavouring Propyl butanoate Propanol Butanoic acid Perfume (a)[1 mark]Which ester in the table is made from propanol and butanoic acid?
(b)[1 mark]Name the acid used to produce butyl propanoate.
(c)[1 mark]State the typical use of methyl methanoate.
(d)[1 mark]Give the alcohol required to produce ethyl ethanoate.
Question 13
1 mark · Normal
Answer and check →Which of the following is the correct structural formula for isopropyl ethanoate, formed from propan-2-ol and ethanoic acid?
- A.CH3COOCH(CH3)2
- B.CH3COOC3H7
- C.C2H5COOCH3
- D.CH3CH2COOCH2CH3
Question 14
2 marks · Normal
Answer and see the solution →State the two substances required to make propyl ethanoate. Give both the alcohol and the acid you would use.
Question 15
4 marks · Normal
Answer and see the solution →This question concerns the naming of esters.
(a)[1 mark]State the name of the ester formed from methanoic acid and butanol.
(b)[1 mark]Give the formula for the acid required to make ethyl propanoate.
(c)[2 marks]Write the name of the alcohol and the acid required to make butyl methanoate.
Question 16
3 marks · Normal
Answer and see the solution →Ethanoic acid reacts with methanol when heated with a few drops of concentrated sulfuric acid.
(a)[1 mark]State the name given to this type of reaction.
(b)[1 mark]Draw the full structural formula of the ester formed in this reaction.
(c)[1 mark]Explain briefly how the water molecule is formed during this reaction.
Question 17
2 marks · Hard
Answer and see the solution →Name the ester formed from propanol and propanoic acid.
Question 18
5 marks · Hard
Answer and see the solution →A reaction mixture contains ethanol and benzoic acid. Heat is applied, together with a few drops of concentrated sulfuric acid as a catalyst.
(a)[1 mark]State the type of reaction taking place.
(b)[1 mark]Write the name of the ester that would be formed.
(c)[3 marks]Draw the full structural formula for the ester formed.
Question 19
2 marks · Hard
Answer and see the solution →Describe, using the names of the compounds, what is removed from ethanol and ethanoic acid during formation of ethyl ethanoate.