Lesson 3.3.3.2

3.3.3.2 Halogenoalkanes: Elimination Quiz: AQA Chemistry, Unit 3

20 questions

In partnership with Revision Ninja

Lesson 3.3.3.2, Halogenoalkanes: Elimination: 20 multiple choice questions for the AQA Chemistry (7405), Unit 3: Organic chemistry, written with Revision Ninja.

Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.

Host this setFree Play

The 20 questions

  1. What type of reaction occurs when 2-bromopropane is heated with ethanolic potassium hydroxide?

    • Elimination
    • Addition
    • Oxidation only
    • Free-radical substitution
  2. What is the organic product of elimination from 2-bromopropane?

    • Propan-1-ol
    • Propane
    • Propan-2-ol
    • Propene
  3. What role does the hydroxide ion play in an elimination reaction with a halogenoalkane?

    • Base
    • Electrophile
    • Nucleophile
    • Free radical
  4. What role does the hydroxide ion play in nucleophilic substitution of 2-bromopropane?

    • Base
    • Catalyst
    • Nucleophile
    • Electrophile
  5. Which reaction conditions favour elimination rather than substitution for 2-bromopropane?

    • Hot ethanolic KOH
    • Warm aqueous KOH
    • Cold aqueous AgNO3
    • Room temperature water
  6. Which product is formed by substitution of 2-bromopropane with aqueous KOH?

    • Propene
    • Propan-1-ol
    • Propan-2-ol
    • 2-bromopropanol
  7. Which functional group feature allows halogenoalkanes to undergo elimination reactions?

    • Adjacent C-H bonds
    • Adjacent double bonds
    • Aromatic ring presence
    • Terminal carboxylic group
  8. In the elimination of HBr from 2-bromopropane, which bond is formed?

    • A C-Br double bond
    • A C-OH single bond
    • A C=C double bond
    • A C-K ionic bond
  9. What two roles can hydroxide ions perform in reactions with halogenoalkanes?

    • Nucleophile and base
    • Electrophile and base
    • Nucleophile and acid
    • Electrophile and oxidant
  10. What organic product forms when 2-bromopropane reacts with hot ethanolic potassium hydroxide?

    • Propane
    • Propan-2-ol
    • Propanal
    • Propene
  11. Which of these is the product of elimination of 2-bromobutane?

    • Butane
    • But-2-ene
    • But-1-ene only
    • Butan-2-ol
  12. Which product is formed from 1-bromopropane with ethanolic KOH by elimination?

    • Propan-2-ol
    • Propene
    • Propan-1-ol
    • Propanal
  13. What is the molecular formula of the elimination product of 2-bromopropane?

    • C3H5Br
    • C3H8
    • C3H6
    • C3H7OH
  14. What organic product family is formed alongside alkenes during competing substitution-elimination reactions?

    • Aldehydes
    • Ethers
    • Alcohols
    • Carboxylic acids
  15. Which solvent condition favours nucleophilic substitution over elimination in halogenoalkane reactions?

    • Ethanolic
    • Non-polar organic
    • Aqueous
    • Gaseous
  16. What role does potassium hydroxide play in the elimination of 2-bromopropane?

    • Acting as an electrophile
    • Acting as a base
    • Acting as an acid
    • Acting as a catalyst
  17. A student heats 2-bromopropane with ethanolic KOH. Which product is most likely to be the main organic product?

    • 2-bromopropanol
    • Propene
    • Propanone
    • Propan-2-ol
  18. Why does 2-bromopropane produce a mixture of products with aqueous potassium hydroxide?

    • Concurrent substitution-elimination
    • Incomplete oxidation reaction
    • Free radical initiation
    • Electrophilic addition competition
  19. Which type of halogenoalkane is most likely to undergo elimination rather than substitution with a base?

    • Methyl
    • Secondary
    • Primary
    • Tertiary
  20. Which solvent favours an elimination reaction when 2-bromopropane reacts with potassium hydroxide?

    • Hexane
    • Ethanol
    • Dilute acid
    • Water

All AQA Chemistry quizzes