Intermolecular forces — Grade 11 Past Paper Questions

3 past paper questions on intermolecular forces from KwaZulu-Natal, 2025. Read what each one asks, then open it with its memo.

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2 questions on intermolecular forces. Each opens in the question browser with its memo.

2025 · Paper 2 · June · KwaZulu-Natal · Question 4

Investigate the boiling points and vapor pressure of hydrides; determine Si–H bond polarity through calculation; explain why SiH₄ has higher boiling point than CH₄ using intermolecular force principles.

boiling pointsvapor pressureintermolecular forcesmolecular massbond polarity
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2025 · Paper 2 · June · KwaZulu-Natal · Question 5

Define the term solubility and then use molecular polarity and intermolecular force concepts to explain whether solid iodine dissolves in water.

solubilitypolar moleculesintermolecular forceshydrogen bondingdispersion forces
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2025 · Paper 2 · June · KwaZulu-Natal · Question 1

Multiple-choice questions covering hydrogen bonding classification, vapor pressure comparisons among hydrides, properties of intermolecular forces, dative covalent bonding formation, and molecular polarity determined by molecular geometry.

hydrogen bondingvapor pressureintermolecular forcescovalent bondingmolecular polarity
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Descriptions last updated 20 August 2026.