Formulae, functional groups and terminology: past paper questions
Real questions on formulae, functional groups and terminology
The newest 20 of 76 written questions. Open one to see it on the real paper.
- 0971/32 · May/June 2026 · Q1a(ii)[1]
a gas that is approximately 78% of clean, dry air
See it on the paper → - 0971/32 · May/June 2026 · Q1a(iii)[1]
a compound in the same homologous series as ethanoic acid
See it on the paper → - 0971/42 · May/June 2026 · Q6c[1]
The structural formula of B, CH,CH,OH, can also be written as C,H,OH. Explain why the structural formula C;H7OH does not identify C.
See it on the paper → - 0971/32 · October/November 2025 · Q4a[1]
Molecules of compound A are found in some plants. Fig. 4.1 shows the displayed formula of a molecule of compound A. H H H O H H H C C C C C C H H H H H C C H H H C H H H Fig. 4.1 Deduce the molecular formula of compound A to show the number of atoms of carbon, hydrogen and oxygen. C H
See it on the paper → - 0971/42 · October/November 2025 · Q5d(i)[1]
State one condition needed for this substitution reaction to take place.
See it on the paper → - 0971/42 · October/November 2025 · Q5d(ii)[4]
Give the structural formula and state the name of each organic product formed. • structural formula of product 1 name of product • structural formula of product 2
See it on the paper → - 0971/42 · October/November 2025 · Q5d(iii)[1]
The two products formed are structural isomers of each other. Define the term structural isomers.
See it on the paper → - 0971/42 · October/November 2025 · Q6a[1]
(a) On Fig. 6.1, draw a circle around all the atoms which make up the ester linkage.
See it on the paper → - 0971/42 · October/November 2025 · Q6b[1]
Name compound E.
See it on the paper → - 0971/42 · October/November 2025 · Q6c[1]
Deduce the empirical formula of compound E.
See it on the paper → - 0971/32 · May/June 2025 · Q4a(i)[1]
State the meaning of the term hydrocarbon.
See it on the paper → - 0971/32 · May/June 2025 · Q4c(i)[1]
Deduce the molecular formula of tetramethylsilane.
See it on the paper → - 0971/41 · May/June 2025 · Q1b[1]
contains carbon atoms only
See it on the paper → - 0971/41 · May/June 2025 · Q1g[1]
is a simple molecule with 11 atoms
See it on the paper → - 0971/41 · May/June 2025 · Q5c(i)[2]
State two characteristics of all members of a homologous series.
See it on the paper → - 0971/41 · May/June 2025 · Q5c(ii)[1]
State the molecular formula of an alcohol that contains five carbon atoms.
See it on the paper → - 0971/41 · May/June 2025 · Q5d(i)[2]
Draw the displayed formula of an ester which contains three carbon atoms.
See it on the paper → - 0971/41 · May/June 2025 · Q5d(ii)[2]
Butyl ethanoate is an ester. Name the alcohol and the carboxylic acid that react to produce butyl ethanoate. alcohol
See it on the paper → - 0971/42 · May/June 2025 · Q6a[1]
State the term for a family of similar compounds which contain the same functional group.
See it on the paper → - 0971/42 · May/June 2025 · Q6b[1]
Determine the difference in relative molecular mass between C 2 H 4 and the next member in this family of similar compounds.
See it on the paper →
What examiners said
This was answered extremely well. Methane and propane were seen very occasionally.
— Examiner report, May/June 2025, 0971/41 Q1(b) (Cambridge)
This was answered quite well. Propene and graphite were seen occasionally.
— Examiner report, May/June 2025, 0971/41 Q1(g) (Cambridge)
This was answered very well. Most candidates who gained full credit chose ‘same general formula’ and ‘same functional group’.
— Examiner report, May/June 2025, 0971/41 Q5(c)(i) (Cambridge)
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