EDTA has coordination number

Options

A. (a) `3`
B. (b) `4`
C. (c) `5`
D. (d) `6`

Answer

D

Explanation

The number of atom of the ligand that are directly bound to the central metal atom or ion by coordinate bonds is known as the coordinate number of the metal or ion. It is actually the number of chemical bonds which the ligand form with the central metal atom or ion.