Question:
The correct order of energy of absorption for the following metal complexes is $A :\left[ Ni ( en )_3\right]^{2+}$, $ B :\left[ Ni \left( NH _3\right)_6\right]^{2+}$, $C :\left[ Ni \left( H _2 O \right)_6\right]^{2+}$
The correct order of energy of absorption for the following metal complexes is $A :\left[ Ni ( en )_3\right]^{2+}$, $ B :\left[ Ni \left( NH _3\right)_6\right]^{2+}$, $C :\left[ Ni \left( H _2 O \right)_6\right]^{2+}$
Updated On: Mar 13, 2023
- $C < B < A$
- $B < C < A$
- $C < A < B$
- $A < C < B$
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The Correct Option is A
Solution and Explanation
Stronger the ligand, larger the splitting & higher the energy of absorption.
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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.