Question:

Cu2+{Cu^{2+}} is

Updated On: Jun 7, 2022
  • diamagnetic
  • ferrimagnetic
  • paramagnetic
  • ferromagnetic.
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The Correct Option is C

Solution and Explanation

Cu(29):3d104s1{Cu(29)} : 3d^{10} \, 4s^1
Cu2+:3d9;{Cu^{2+}} : 3d^9;
Cu2+{Cu^{2+}} has one unpaired electron so, it is paramagnetic in nature.
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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.