Question

EDTA has coordination number

• A. 3
• B. 4
• C. 5
• D. 6

Answer 1

Answer: (D)

6

Answer 2

Coordination number of the central atom or ion is determined by the number of sigma bonds formed by the ligand with the central atom or ion. $\therefore$ EDTA (Ethylene diaminetetracetato) has $C{{N}_{6}}$