WAEC Chemistry 2010 Objective — Question 17

Question 17 of 49 from the West African Examinations Council (WAEC) Chemistry 2010 Objective paper, with the correct answer and a full explanation.

The bonds in crystalline ammonium chloride are

A. A. covalent and dative
B. B. ionic and covalent
C. C. ionic, covalent and dativeCorrect
D. D. ionic, covalent and hydrogen bond

Explanation

All of ionic, covalent and dative bonds are found in NH4Cl. Ionic bond: between NH4+ and Cl-, making up NH4Cl. Dative bond: between NH3 and H+, making up NH4+. Covalent bond: between N and H, making up the NH3 part of the ion.

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