JAMB Chemistry 1991 Question 12

Question 12

Chemical Bonding

Which of the following represents the type of bonding present in ammonium chloride molecule?

  1. A.Ionic only
  2. B.Covalent only
  3. C.Ionic and dative covalent
  4. D.Dative covalent only
Show the answer and explanation

Answer: C (Ionic and dative covalent)

Explanation

NH4+ forms when NH3 donates its lone pair to H+ (a dative bond), and NH4+ is held to Cl− by an ionic bond.