Question #96030

What are coordination compounds

Expert's answer

A coordination compound is the product of a Lewis acid-base reaction in which neutral molecules or anions (called ligands) bond to a central metal atom (or ion) by coordinate covalent bonds.

  1. Ligands are Lewis bases - they contain at least one pair of electrons to donate to a metal atom/ion. Ligands are also called complexing agents
  2. Metal atoms/ions are Lewis acids - they can accept pairs of electrons from Lewis bases.

eg. [Ni(NH3)6]2+ , [Zn(CN)4]2-

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