WAEC Chemistry 2015 Objective — Question 3
Question 3 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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The compound formed between ₁₄X and ₁₆Y is
- A. XY
- B. XY₂Correct
- C. X₂Y
- D. X₂Y₆
Explanation
X=2,8,4 (group 4) and Y=2,8,6 (group 6); the combining power of X is 4 while that of Y is 2, giving X₃>Y₂ = XY₂.
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