WAEC Chemistry 2018 Objective — Question 8
Question 8 of 50 from the West African Examinations Council (WAEC) Chemistry 2018 Objective paper, with the correct answer and a full explanation.
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In which of the following compounds does hydrogen form ionic compound?
- A. CH₄
- B. HCl
- C. NH₃
- D. NaHCorrect
Explanation
In NaH, hydrogen exists as the H⁻ ion, forming an ionic (electrovalent) bond with sodium; in CH₄, HCl and NH₃ hydrogen is covalently bonded.
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