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WAEC Chemistry 2015 Objective — Question 17

Question 17 of 50 from the West African Examinations Council (WAEC) Chemistry 2015 Objective paper, with the correct answer and a full explanation.

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Which of the following oxides is ionic?

  • A. P₄O₁₀
  • B. MgOCorrect
  • C. Al₂O₃
  • D. SO₂

Explanation

MgO is predominantly ionic, while P₄O₁₀, Al₂O₃ and SO₂ are predominantly covalent.

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