CAIE IGCSE Chemistry 11.7 Carboxylic Acids Questions
Practise recognising carboxylic-acid structures and reactions with metals, bases and carbonates, as well as oxidation routes and ester formation.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- identify the carboxyl group and apply the general formula when naming or drawing an acid
- predict salt-forming reactions with metals, bases and carbonates, including gas observations
- form an ester from a named carboxylic acid and alcohol and draw the ester linkage
Covered syllabus points
Question 1
[Maximum number: 1]
Which statement about aqueous ethanoic acid is correct?
A
It reacts with magnesium to produce a salt and hydrogen.
B
It reacts with sodium hydroxide to produce a salt and hydrogen.
C
It reacts with ammonium salts to produce ammonia.
D
It turns red litmus blue.
A
Question 2
[Maximum number: 1]
Which type of reaction occurs when ethanol is converted to ethanoic acid?
A
combustion
B
decomposition
C
neutralisation
D
oxidation
D
Question 3
[Maximum number: 1]
Some properties of an organic compound J are listed.
- It is a liquid at room temperature.
- It is soluble in water.
- A solution of J reacts with calcium carbonate to form carbon dioxide.
- A solution of J has a pH of 3 .
In which homologous series does J belong?
A
alkane
B
alkene
C
alcohol
D
carboxylic acid
D
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