plumiNucleophiles, electrophiles and bond polarity: Edexcel International A Level Chemistry questions
Edexcel International A Level Chemistry past-paper questions on 10.A.2 Nucleophiles, electrophiles and bond polarity, 2019–2025, with mark schemes and examiner’s reports where available.
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Open the full PDFYour answerQ19(d)
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Open the full PDFYour answerQ19(d)(ii)
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All 9 questions on Nucleophiles, electrophiles and bond polarity, as a list
- January 2025, AS Unit 2, Q1 (1 mark): An alcohol can be attacked by a nucleophile because A the C O bond is weak B the C O bond is polar C the O H bond can form hydrogen bonds D the O H bond is pola
- January 2025, AS Unit 2, Q19(d) (2 marks): State the role of the hydroxide ion in each of the reactions (b) and (c). (2) Role in (b) Role in (c)
- October 2024, AS Unit 2, Q13(a) (1 mark): What is the role of the hydroxide ion in this reaction? (1) A reducing agent B nucleophile C electrophile D base
- June 2023, AS Unit 2, Q17 (1 mark): When 1-chlorobutane is mixed with ethanol and aqueous silver nitrate, a reaction occurs. Which species is the nucleophile in this reaction? A ethanol B nitrate
- June 2023, AS Unit 2, Q19(d)(ii) (2 marks): Describe how intermediate J is formed in the first step, naming the process that occurs. (2)
- January 2023, Unit 4, Q19(c) (3 marks): Explain why LiAlH4 reduces carbonyl compounds but not alkenes, even though both types of compound have π bonds. (3)
- June 2022, AS Unit 1, Q14 (1 mark): Heterolytic fission produces A free radicals only B ions only C free radicals and positive ions only D free radicals and negative ions only Use this space for a
- June 2022, AS Unit 2, Q12 (1 mark): The structure of ethylamine is shown. H H δ+ δ− H C C NH2 H H What type of reagent will attack the Cδ+ atom? A electrophile B free radical C nucleophile D oxidi
- June 2019, AS Unit 2, Q13 (1 mark): Which of these species is not a nucleophile? + A NH4 B CN− C H2O D CH3NH2 Use this space for any rough working. Anything you write in this space will gain no cr
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