Question

Metal attached with EDTA in an octahedral complex, has coordination number ______.

Options

• 3

• 4

• 5

• 6

Answer 1

Metal attached with EDTA in an octahedral complex, has coordination number 6.

Explanation:

The number of sigma bonds that the ligand forms with the central atom or ion determines the coordination number of that atom or ion. The CN value of EDTA (ethylene diamminetertaactetate) is 6.