Question:
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
Updated On: Aug 27, 2023
- $[Ni(NH_3)_6]^{2+}$
- $[Zn(NH_3)_6 ]^{2+}$
- $[Cr(NH_3)_6]^{3+}$
- $[Co (NH_3)_6]^{3+}$
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The Correct Option is A
Solution and Explanation
$\left[ Ni \left( NH _{3}\right)_{6}\right]^{2+}$ Weak ligand with two unpaired electron.
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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.