WAEC Chemistry 2024 Objective — Question 2
Question 2 of 50 from the West African Examinations Council (WAEC) Chemistry 2024 Objective paper, with the correct answer and a full explanation.
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2. Which of the following substances has the lowest boiling point?
- A. Aqueous sodium chloride
- B. Ethanol
- C. TetrachloromethaneCorrect
- D. Water
Explanation
Ethanol and water have hydrogen bonding, giving them relatively high boiling points. Tetrachloromethane has no hydrogen bonding, so its boiling point is comparatively low.
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