Lesson 3.3.11.1

3.3.11.1 Preparation Quiz: AQA Chemistry, Unit 3

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 3.3.11.1, Preparation: 20 multiple choice questions for the AQA Chemistry (7405), Unit 3: Organic chemistry, written with Revision Ninja.

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The 20 questions

  1. Which reaction prepares a primary aliphatic amine from ammonia and a halogenoalkane?

    • Nucleophilic substitution
    • Electrophilic addition
    • Condensation polymerisation
    • Free-radical substitution

  2. Which reagent converts a nitrile into a primary amine?

    • Bromine water
    • Sodium carbonate solution
    • A strong reducing agent such as LiAlH4
    • Concentrated sulfuric acid alone

  3. What is the usual route to phenylamine?

    • Nucleophilic substitution of chlorobenzene by ammonia
    • Reduction of nitrobenzene
    • Reaction of benzene with bromine water
    • Acid hydrolysis of phenol

  4. What is the product when propanenitrile, CH3CH2CN, is reduced with 4[H]?

    • Propan-1-ol, CH3CH2CH2OH
    • Propanoic acid, CH3CH2COOH
    • Propanal, CH3CH2CHO
    • Propylamine, CH3CH2CH2NH2

  5. What is the main product when excess ammonia reacts with bromoethane?

    • Ethylamine
    • Triethylamine
    • Diethylamine
    • Tetraethylammonium bromide

  6. How many moles of hydrogen atoms, [H], are needed to reduce one mole of nitrobenzene to phenylamine?

    • 6
    • 2
    • 4
    • 8

  7. Which product forms when ethanenitrile is reduced fully?

    • Ethylamine
    • Ethanamide
    • Methylamine
    • Propylamine

  8. What is the relative molecular mass of phenylamine, C6H5NH2, using C = 12, H = 1, N = 14?

    • 77
    • 91
    • 95
    • 93

  9. In the reduction of nitrobenzene, which group is formed from the -NO2 group?

    • -OH
    • -CH3
    • -NH2
    • -CN

  10. Why does preparing a primary amine from ammonia and a halogenoalkane give a mixture of products?

    • Ammonia is an acid that releases hydrogen chloride when it reacts with the halide
    • The primary amine formed is also a nucleophile and reacts further with the halogenoalkane
    • The reaction is always catalysed by light, so it does not take place in the dark
    • Halogenoalkanes cannot react with ammonia at all, so the reaction never gives an amine

  11. Which route gives pure ethylamine while avoiding over-alkylation?

    • Hydrolysis of ethanoyl chloride
    • Reaction of bromoethane with excess ammonia
    • Nitration of ethane
    • Reduction of ethanenitrile

  12. If 0.10 mol of ethanenitrile is fully reduced, how many moles of ethylamine are formed?

    • 0.10 mol
    • 0.40 mol
    • 0.05 mol
    • 0.20 mol

  13. How many hydrogen atoms are added when a nitrile is reduced to a primary amine?

    • 4
    • 2
    • 6
    • 3

  14. Which amine is a primary aliphatic amine?

    • Propylamine
    • Phenylamine
    • Triethylamine
    • N-methylpropylamine

  15. Why is alkali added after reducing nitrobenzene with acid?

    • To produce a salt of the nitro group
    • To convert the amine salt into the free amine
    • To remove the benzene ring from the product
    • To oxidise the amine back to nitrobenzene

  16. What is the product from 1-chloropropane and excess ammonia?

    • Propan-2-amine
    • Dipropylamine
    • Tripropylamine
    • Propylamine

  17. Which compound would react fastest with ammonia by nucleophilic substitution?

    • Iodoalkane
    • Chloroalkane
    • Alkane
    • Fluoroalkane

  18. What is the main industrial use of phenylamine according to the specification?

    • Manufacture of soap
    • Production of biodiesel
    • Manufacture of dyes
    • Production of polyethene

  19. What is the by-product of the reduction of nitrobenzene to phenylamine?

    • Water
    • Carbon dioxide
    • Ammonia
    • Hydrogen gas

  20. Which statement about the reduction of nitriles is correct?

    • The carbon atom of the nitrile group is retained in the primary amine
    • The nitrile carbon is lost as carbon dioxide during the reduction of the group
    • The reaction requires a halogen to be added so that the amine can be formed
    • The product is always a carboxylic acid, formed by hydrolysis of the nitrile group

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