Organic Chemistry: Halogenoalkanes (Edexcel International A Level (IAL) Chemistry): Exam Questions

Exam code: YCH11

48 mins8 questions
1
1 mark

Which structure represents a primary halogenoalkane?

q11-paper-2-june-2021-edexcel-ial-chemistry
    2
    1 mark

    1-bromobutane reacts with aqueous potassium hydroxide to form butan-1-ol.

    Which type of mechanism describes this reaction?

    • Electrophilic addition

    • Electrophilic substitution

    • Nucleophilic addition

    • Nucleophilic substitution

    1a
    1 mark

    Separate samples of some halogenoalkanes were dissolved in ethanol and a few drops of silver nitrate solution added. The faster the reaction of the halogenoalkane, the quicker a precipitate forms.

    Which of these halogenoalkanes reacts the fastest?

    • CH3CHICH3

    • CH3CHBrCH3

    • CH3CHClCH3

    • CH3CHFCH3

    1b
    1 mark

    Which of these halogenoalkanes reacts the fastest?

    • CH3CHBrCH(CH3)CH3

    • CH3CH2CBr(CH3)CH3

    • CH3CH(CH2Br)CH2CH3

    • CH3CH2CH2CH2CH2Br

    2
    1 mark

    Which reagent and conditions convert 1-bromopropane to propan-1-ol?

    • KCN in ethanol, heat under reflux

    • KOH in ethanol, heat under reflux

    • NaOH in water, heat under reflux

    • NH3 in ethanol, heat under reflux in a sealed tube