Question

The coordination number of platinum in [PtCl₄]²⁻ is ______.

Answer 1

The coordination number of platinum in [PtCl₄]²⁻ is 4.

Explanation:

The complex is [PtCl₄]²⁻.

• The central metal atom = Pt
• The ligands = 4 Cl⁻ ions
• Coordination number = number of ligand donor atoms directly bonded to the central atom.

Here, 4 chlorides are directly attached to Pt.