JAMB Chemistry 2007 Question 33

Question 33

Chemical Bonding

A metal X forms two bromides with the formulae XBr2 and XBr3. What type of bonding exists between X and bromine in the bromides?

  1. A.Ionic bonding.
  2. B.Metallic bonding.
  3. C.Dative bonding.
  4. D.Covalent bonding.
Show the answer and explanation

Answer: A (Ionic bonding.)

Explanation

X is a metal with variable valency (like iron); metals combine with halogens by transferring electrons, forming ionic (electrovalent) bonds.