question_answer

EDTA has co-ordination number :

A) 3                                             

B) 4

C) 5                                             

D) 6

Correct Answer: D

Solution :

EDTA (Ethylene diamine tetra acetate) ion has six donor atoms i.e., is a hexadentate ligand. It has four acetate ions and two nitrogen atoms which let to the formation of six coordinate bond.