plumiElectron-pair repulsion theory, bond length and bond angle: Edexcel International A Level Chemistry questions
Edexcel International A Level Chemistry past-paper questions on 3.C.1 Electron-pair repulsion theory, bond length and bond angle, 2019–2025, with mark schemes and examiner’s reports where available.
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Q23(b)(iv)
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Open the full PDFQ26(e)
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Open the full PDFQ18(a)(ii)
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Open the full PDFQ23(c)(ii)
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All 5 questions on Electron-pair repulsion theory, bond length and bond angle, as a list
- June 2025, AS Unit 1, Q23(b)(iv) (2 marks): Explain the differences between the molecular shapes and bond angles for ammonia and water. (2)
- January 2025, AS Unit 1, Q26(e) (3 marks): Justify the shape around the sulfur atom in both SF6 and SF4. (3)
- June 2024, AS Unit 2, Q18(a)(ii) (1 mark): Give the reason why chlorine dioxide is not a linear molecule. (1)
- October 2021, AS Unit 1, Q12(d) (4 marks): The Cl—Be—Cl bond angle is different in the two forms of beryllium chloride. Predict the two bond angles, justifying your answers by referring to electron‑pair
- June 2019, AS Unit 1, Q23(c)(ii) (3 marks): Explain the shape of this molecule using the electron-pair repulsion theory. (3)
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