WAEC Chemistry 2013 Objective — Question 15
Question 15 of 50 from the West African Examinations Council (WAEC) Chemistry 2013 Objective paper, with the correct answer and a full explanation.
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The bonds in crystalline ammonium chloride are
- A. covalent and dative
- B. ionic and dative
- C. ionic, covalent, dative and hydrogen bondCorrect
- D. ionic, covalent
Explanation
The three types of bonding — covalent, dative and electrovalent — are present in crystalline ammonium chloride: 1. Electrovalent/ionic: between NH4+ and Cl⁻. 2. Dative: between NH3 & H+ to make NH4+. 3. Covalent: between N & H to make NH3.
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