Question
Chemistry Question on coordination compounds
The coordination environment of Ca2+ ion in its complex with EDTA4− is:
A
tetrahedral
B
octahedral
C
square planar
D
trigonal prismatic
Answer
octahedral
Explanation
Solution
In the Ca2+-EDTA complex, EDTA acts as a hexadentate ligand, coordinating through six donor atoms. This creates an octahedral geometry around Ca2+.