VSEPR Theory Quiz

Are you ready to challenge yourself with the VSEPR theory? This interactive quiz will test your understanding of molecular shapes, bond angles, lone pair effects, and hybridization—all key concepts for Cambridge A-Level Chemistry!

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1. Which of the following best describes the VSEPR theory?

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2. What is the shape of BeCl₂ according to VSEPR theory?

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3. Which of the following molecules has a trigonal planar shape?

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4. What is the bond angle in a tetrahedral molecule such as CH₄?

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5. Why is the bond angle in NH₃ (107°) smaller than in CH₄ (109.5°)?

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6. Which molecule has the smallest bond angle?

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7. Which shape is expected for XeF₂?

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8. Which of the following statements about CO₂ is true?

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9. What is the hybridization of carbon in methane (CH₄)?

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10. What is the molecular shape of the sulfate ion (SO₄²⁻)?

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11. A molecule with the formula AX4E2 (four bonding pairs and two lone pairs) adopts which shape?

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12. Which statement about the molecular geometry of ethene (C₂H₄) is correct?

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13. Which molecule has a bond angle closest to 90°?

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14. Why does PF₅ have different bond angles of 90° and 120°?

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15. Which of the following molecules exhibits resonance but still follows VSEPR predictions?

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Each attempt gives you a random set of 15 MCQs covering:
✅ Fundamental principles of VSEPR
✅ Molecular geometry of different species
✅ Lone pair repulsions and their effects
✅ Comparisons of bond angles in real molecules
✅ Hybridization and polarity predictions

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