Which one of the following is an example of octahedral complex ?
- $ [FeF_6]^{3-} $
- $[Zn(NH_3)_4]^{2+}$
- $ [Ni(CN)_4]^{2-} $
- $ [Cu(NH_3)_4]^{2+}$
The Correct Option is A
Solution and Explanation
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Concepts Used:
Coordination Compounds
A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.
Coordination entity:
A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.
Ligands:
A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.