Nomenclature: AQA A‑Level Chemistry questions

AQA A-Level Chemistry past-paper questions on 3.3.1.1 Nomenclature, 2008–2025, with mark schemes and examiner’s reports where available.

All 111 questions on Nomenclature, as a list

June 2025, Paper 2, Q02.1 (3 marks): Use IUPAC rules to name L. Explain why L exists as stereoisomers. [3 marks] Name Explanation
June 2025, Paper 3, Q06.2 (3 marks): Q can be reacted with methanol to form three different esters. State the number used to identify the position of the C=C bond in the name of the ester formed fr
June 2025, Paper 3, Q18 (1 mark): What is the correct structural formula for 4-chloro-2-methylpent-2-enoic acid? [1 mark] A CH3CCl=CHCH(CH3)COOH B (CH3)2C=CHCHClCOOH C CH3CHClCH=C(CH3)COOH D (CH
June 2025, AS Paper 2, Q08 (1 mark): What is the name of this compound according to IUPAC rules? [1 mark] A 2-methylbutanal B 3-methylbutanal C 2-methylbutan-1-one D 3-methylbutan-1-one
June 2025, AS Paper 2, Q12 (1 mark): What is the name of this compound according to IUPAC rules? [1 mark] A E–3-fluoro-2-methylpent-3-ene B Z–3-fluoro-2-methylpent-4-ene C E–3-fluoro-4-methylpent-2
June 2024, Paper 3, Q23 (1 mark): What is the correct structural formula for 4-chloro-2-methylpent-2-enoic acid? [1 mark] A CH3CCl=CHCH(CH3)COOH B (CH3)2C=CHCHClCOOH C CH3CHClCH=C(CH3)COOH D (CH
June 2024, AS Paper 2, Q03.1 (1 mark): Use IUPAC rules to name CFCl3 [1 mark]
June 2023, Paper 2, Q04.1 (1 mark): Use IUPAC rules to name isomer W. [1 mark]
June 2023, Paper 2, Q09.1 (1 mark): Ethenone is the simplest member of the ketene homologous series. Ketenes all contain one C=C double bond and one C=O double bond. Deduce the general formula for
June 2023, AS Paper 2, Q02.3 (1 mark): 3-Ethyl-4-methylhexane is a branched alkane in petrol. Draw the skeletal formula of this alkane. [1 mark]
June 2023, AS Paper 2, Q18 (1 mark): Which is the IUPAC name for this compound? [1 mark] A E-3-fluorohex-3-ene B E-4-fluorohex-3-ene C Z-3-fluorohex-3-ene D Z-4-fluorohex-3-ene
June 2022, Paper 2, Q01.1 (2 marks): Draw the displayed formula for CH3CH2COCH2I Give the name of CH3CH2COCH2I [2 marks] Displayed formula Name
June 2022, Paper 3, Q03.3 (2 marks): Deduce the name of isomer A. Explain why A does not exhibit stereoisomerism. [2 marks] Name Explanation
June 2022, AS Paper 2, Q03.5 (4 marks): Several saturated halogenoalkanes contain 17.8% carbon, 3.0% hydrogen and 79.2% bromine by mass. Calculate the empirical formula of these compounds. Give the IU
June 2022, AS Paper 2, Q11 (1 mark): A polymer is formed from the monomer CH2=CHCN Which statement is not correct? [1 mark] A The monomer is propanenitrile. B The monomer is unsaturated. C The poly
November 2021, Paper 2, Q02.4 (4 marks): Compound Z (HOCH2CH2NH2) can be used to remove carbon dioxide from the mixture of waste gases produced in some power stations. Figure 1 shows part of a suggeste
November 2021, Paper 3, Q27 (1 mark): Which is the correct general formula for non-cyclic compounds in the homologous series? [1 mark] A alcohols CnH2n+2O B aldehydes CnH2n+1O C esters CnH2n+1O2 D p
November 2021, AS Paper 2, Q04.1 (1 mark): The molecule CFC-11 was commonly used as a refrigerant. Use IUPAC rules to name CFC-11 [1 mark]
November 2021, AS Paper 2, Q17 (1 mark): Which compound has a molecular formula that is different from the others? [1 mark] A B C D
November 2020, Paper 2, Q02.2 (1 mark): Identify the functional group(s) in the prilocaine molecule. [1 mark]
November 2020, Paper 2, Q08.3 (1 mark): Complete this IUPAC name for H3Y [1 mark] propane-1, 2, 3-tricarboxylic acid
November 2020, AS Paper 2, Q07.1 (1 mark): Draw the skeletal formula of ethanedioic acid. [1 mark]
November 2020, AS Paper 2, Q11 (1 mark): What is the IUPAC name for this compound? [1 mark] A 2-dimethyl-3-fluoropentane B 2,2-dimethyl-3-fluoropentane C 3-fluoro-2,2-dimethylpentane D 3-fluoro-2-dimet
June 2019, Paper 2, Q03.1 (4 marks): Deduce the molecular formula of isoprene and suggest a possible structure. [4 marks] Molecular formula Structure
June 2019, Paper 2, Q03.2 (2 marks): The insides of some golf balls are made from a mixture of three other polymers. The repeating unit for one of these polymers is shown. Draw the skeletal formula
June 2019, Paper 2, Q07.1 (1 mark): Give the IUPAC name for isomer X. [1 mark]
June 2019, Paper 2, Q11.1 (3 marks): An ester is formed by the reaction of an acid anhydride with CH3CH2OH Complete the equation. In your answer show clearly the structure of the ester. Give the IU
June 2019, AS Paper 2, Q02.2 (1 mark): Give the IUPAC name of D. [1 mark]
June 2019, AS Paper 2, Q07.1 (1 mark): Draw the skeletal formula of propanedioic acid. [1 mark]
June 2018, Paper 2, Q02.1 (1 mark): Give the IUPAC name for CH2(OH)CH(CH3)CH2Br [1 mark]
June 2018, Paper 2, Q07.2 (3 marks): The organic product in Question 07.1 can be converted into the alcohol shown. Give the IUPAC name of the alcohol. Give the reagent needed for this reaction and
June 2018, AS Paper 2, Q04.1 (2 marks): State the general formula of an alkane containing n carbon atoms. Deduce an expression for the relative molecular mass (Mr) of an alkane in terms of n. [2 marks
June 2018, AS Paper 2, Q06.1 (1 mark): Name Compound A. [1 mark]
June 2017, Paper 2, Q04.1 (1 mark): Give the IUPAC name of CH3CH2CH2CH2CH(OH)CN [1 mark
June 2017, Paper 2, Q10.1 (1 mark): Give the full IUPAC name of isomer P. [1 mark
June 2017, AS Paper 2, Q08.1 (1 mark): Draw the skeletal formula of 3-methylbutanal. [1 mark]
June 2016, AS Paper 2, Q03.1 (1 mark): Give the IUPAC name for isooctane. [1 mark]
June 2016, AS Paper 2, Q05.2 (1 mark): Chloropentafluoroethane is a CFC that has been used as a refrigerant. Draw its displayed formula. [1 mark]
June 2016, AS Paper 2, Q06.1 (1 mark): Draw the skeletal formula of propane-1,2-diol. [1 mark]
June 2016, AS Paper 2, Q18 (1 mark): The structure of cyclohexene is shown. Which of the following is the general formula of cyclic alkenes such as cyclohexene? [1 mark] A CnH2n-4 B CnH2n-2 C CnH2n
Specimen, Paper 2, Q03.1 (1 mark): 3 Isooctane (C8H18) is the common name for the branched-chain hydrocarbon that burns smoothly in car engines. The skeletal formula of isooctane is shown in Figu
Specimen, Paper 2, Q04.1 (1 mark): 4 Alcohol A (CH3)2CHCH(OH)CH3 undergoes reactions separately with acidified potassium dichromate(VI) and with concentrated sulfuric acid. Deduce the IUPAC name
Specimen, Paper 2, Q06.4 (1 mark): Deduce the IUPAC name of threonine. [1 mark] 0 6 . 4
June 2016, CHEM4 (old spec), Q3(a)(i) (1 mark): Give the IUPAC name of reagent X in Step 1. [1 mark]
June 2016, CHEM4 (old spec), Q5(b)(i) (1 mark): Give the IUPAC name of leucine. [1 mark]
June 2016, CHEM1 (old spec), Q4(a)(i) (1 mark): Identify the homologous series to which octane belongs. [1 mark]
June 2016, CHEM1 (old spec), Q4(a)(iii) (1 mark): An isomer of octane used to improve the performance of car engines is shown. Give the IUPAC name of this isomer. [1 mark] CH2 H3C C CH3 CH3 H C CH3 CH3
June 2016, CHEM1 (old spec), Q4(b)(i) (1 mark): Give the IUPAC name for compound X. [1 mark]
June 2015, CHEM4 (old spec), Q7(b)(i) (1 mark): Give the IUPAC name of a monomer that forms polymer L. [1 mark]
June 2015, CHEM1 (old spec), Q6(e) (1 mark): There are many structural isomers with the molecular formula C8H18 Draw the structure of 2,3,3-trimethylpentane. [1 mark]
June 2015, CHEM1 (old spec), Q6(f) (1 mark): A compound C8H18 reacts with chlorine to give several haloalkanes. Give the IUPAC name of the following haloalkane. [1 mark] Cl H3C C C C CH3 H H CH2 CH3 Cl CH3
June 2015, CHEM2 (old spec), Q6(c)(i) (1 mark): Draw the structure of prop-2-en-1-ol. [1 mark]
June 2015, CHEM2 (old spec), Q8(a) (2 marks): Give the IUPAC name for compound P and that for compound Q. [2 marks] P Q
June 2014, CHEM4 (old spec), Q5(c) (1 mark): Give the IUPAC name of the product of the reaction in Question 5 (a). [1 mark]
June 2014, CHEM4 (old spec), Q6(a) (1 mark): Give the IUPAC name of lysine. [1 mark]
June 2014, CHEM1 (old spec), Q5(d)(i) (1 mark): Give the general formula for the homologous series that contains dodecane. [1 mark]
June 2014, CHEM1 (old spec), Q5(e) (2 marks): Give the IUPAC name for the following compound and state the type of structural isomerism shown by this compound and dodecane. [2 marks] IUPAC name Type of stru
June 2014, CHEM2 (old spec), Q8(a)(ii) (2 marks): Deduce the name of the mechanism in Question 8 (a) (i). Give the IUPAC name of (CH3)2CHCH2Br [2 marks]
June 2013, CHEM4 (old spec), Q5(a)(i) (1 mark): Give the IUPAC name for lactic acid. (1 mark)
June 2013, CHEM4 (old spec), Q7(a)(iv) (1 mark): Give the IUPAC name of J. (1 mark)
June 2013, CHEM4 (old spec), Q7(b)(iii) (1 mark): Give the IUPAC name of K. (1 mark) Section B Answer all questions in the spaces provided.
June 2013, CHEM1 (old spec), Q2(a)(ii) (1 mark): Give the IUPAC name of the position isomer of but-1-ene. (1 mark)
June 2013, CHEM1 (old spec), Q2(a)(iii) (1 mark): Give the IUPAC name of the chain isomer of but-1-ene. (1 mark)
June 2013, CHEM1 (old spec), Q8(a) (3 marks): The structure of the bromoalkane Z is Give the IUPAC name for Z. Give the general formula of the homologous series of straight-chain bromoalkanes that contains
June 2013, CHEM1 (old spec), Q8(b) (2 marks): Draw the displayed formula of 1,2-dichloro-2-methylpropane. State its empirical formula. (2 marks)
January 2013, CHEM1 (old spec), Q4(g)(i) (1 mark): Give the IUPAC name of X. (1 mark)
January 2013, CHEM2 (old spec), Q5(c)(i) (1 mark): Draw the displayed formula for ethanoic acid. (1 mark)
January 2013, CHEM2 (old spec), Q7(b) (1 mark): The refrigerant R112A (CCl3CF2Cl) has been banned because of concerns about ozone depletion. Give the IUPAC name for CCl3CF2Cl (1 mark)
June 2012, CHEM4 (old spec), Q5(b) (1 mark): Give the IUPAC name of the product of Step 2. (1 mark)
June 2012, CHEM1 (old spec), Q2(a)(i) (1 mark): Deduce the general formula of the homologous series that contains X. (1 mark)
June 2012, CHEM2 (old spec), Q6(d)(i) (1 mark): Draw the displayed formula for 2,3,3,3-tetrafluoropropene. (1 mark)
January 2012, CHEM1 (old spec), Q3(e) (2 marks): A different chlorinated compound is shown below. Name this compound and state its empirical formula. Name Empirical formula (2 marks) H H H C C C CH3 CH3 CH3 Cl
June 2011, CHEM4 (old spec), Q5(a) (1 mark): Give the IUPAC name for phthalic acid. (1 mark)
June 2011, CHEM1 (old spec), Q7(a) (1 mark): Give the general formula for the homologous series of alkanes. (1 mark)
June 2011, CHEM1 (old spec), Q7(f) (2 marks): Consider the following compound. Name this compound. Deduce the empirical formula of this compound.
June 2011, CHEM2 (old spec), Q6(a) (1 mark): Complete the table by naming Isomer 3. (1 mark)
June 2011, CHEM2 (old spec), Q7(b)(i) (1 mark): An example of a CFC is 1,1,1-trichloro-2,2-difluoroethane. Draw the displayed formula of this CFC. (1 mark)
January 2011, CHEM4 (old spec), Q1(a)(i) (1 mark): Name ester X. (1 mark)
January 2011, CHEM4 (old spec), Q4(a) (1 mark): Name compound Y, HOCH2CH2COOH (1 mark)
January 2011, CHEM4 (old spec), Q5(a) (2 marks): Give the name of each of the circled functional groups labelled J and K on the structure of atenolol shown above. Functional group labelled J Functional group l
January 2011, CHEM4 (old spec), Q7(a) (1 mark): Name the compound (CH3CH2)2NH (1 mark)
January 2011, CHEM1 (old spec), Q6(a) (2 marks): State two characteristics of a homologous series.
January 2011, CHEM1 (old spec), Q6(c) (4 marks): The structure shown below is one of several structural isomers of octane. Give the meaning of the term structural isomerism. Name this isomer and state its empi
January 2011, CHEM2 (old spec), Q1(a)(i) (1 mark): Give the IUPAC name of CF3Cl (1 mark)
January 2011, CHEM2 (old spec), Q9(a)(i) (1 mark): Name alcohol X. (1 mark)
January 2011, CHEM2 (old spec), Q9(a)(ii) (1 mark): State the general name of the type of series shown by these primary alcohols. (1 mark)
June 2010, CHEM4 (old spec), Q1(a) (1 mark): Give the IUPAC name of compound X. (1 mark) 3 3 1
June 2010, CHEM4 (old spec), Q3(a)(iii) (1 mark): Give the full IUPAC name of compound B. (1 mark)
June 2010, CHEM1 (old spec), Q6(b)(ii) (1 mark): Name the branched chain isomer of pent-1-ene shown below. (1 mark) H H H CH3 H CH3 C C C
June 2010, CHEM2 (old spec), Q6(a)(i) (1 mark): Name the major product P. (1 mark)
June 2010, CHEM2 (old spec), Q6(b)(iii) (1 mark): Name one possible compound which could be S. (1 mark)
January 2010, CHEM4 (old spec), Q5(a)(i) (1 mark): Give the IUPAC name for glycerol. (1 mark)
January 2010, CHEM1 (old spec), Q4(a)(i) (2 marks): State the meaning of the term saturated and of the term hydrocarbon as applied to alkanes. Saturated Hydrocarbon
January 2010, CHEM1 (old spec), Q4(a)(ii) (1 mark): Give the general formula for the alkanes. (1 mark)
January 2010, CHEM1 (old spec), Q4(e)(i) (1 mark): Name Q. (1 mark)
January 2010, CHEM2 (old spec), Q7(a)(ii) (1 mark): Name the haloalkane in this reaction. (1 mark)
June 2009, CHEM1 (old spec), Q4(a) (2 marks): 4 (a) State two characteristics of a homologous series. Characteristic 1 Characteristic 2 (2 marks)
June 2009, CHEM1 (old spec), Q4(b)(i) (2 marks): 4 (b) (i) Hexane can be converted into 2,2-dichlorohexane. Draw the displayed formula of 2,2-dichlorohexane and deduce its empirical formula. Displayed formula
January 2009, CHEM1 (old spec), Q6(a) (3 marks): 6 (a) State the meaning of both the words saturated and hydrocarbon as applied to the term saturated hydrocarbon. Name the homologous series to which C8H18 belo
January 2009, CHEM1 (old spec), Q6(f) (3 marks): H3C C H H CH3 CH3 C H C CH3 CH3 6 (f) The molecular formula C8H18 represents several structural isomers. State what is meant by the term structural isomers. Nam
June 2008, CHM3W (2008 spec), Q1(a)(i) (1 mark): 1 (a) (i) State what is meant by the term hydrocarbon. (1 mark)
June 2008, CHM3W (2008 spec), Q2(a) (2 marks): 2 (a) Complete the table. (2 marks)
June 2008, CHM3W (2008 spec), Q2(c) (1 mark): 2 (c) State what is meant by the term molecular formula. (1 mark)
June 2008, CHM3W (2008 spec), Q2(d) (1 mark): 2 (d) Give the molecular formula for these isomers. (1 mark)
June 2008, CHM3W (2008 spec), Q3(b)(i) (1 mark): 3 (b) (i) Give the name of CF2Cl2 (1 mark)
June 2008, CHM3W (2008 spec), Q5(a) (1 mark): 5 (a) Give the name of compound Q. (1 mark)
January 2008, CHM3W (2008 spec), Q1(b) (1 mark): (b) State what is meant by the term saturated hydrocarbon. (1 mark)
January 2008, CHM3W (2008 spec), Q2(a)(i) (1 mark): (i) Give the general formula for these alkenes. (1 mark)
January 2008, CHM3W (2008 spec), Q2(a)(ii) (2 marks): (ii) State two other characteristics of an homologous series. Characteristic 1 Characteristic 2 (2 marks)
January 2008, CHM3W (2008 spec), Q2(b) (1 mark): (b) Give the molecular formula for the next member of this homologous series. (1 mark)
January 2008, CHM3W (2008 spec), Q6(a) (3 marks): (a) Name compounds A, B and D. (3 marks)

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