Give reasons

Cuprous chloride is diamagnetic while cupric chloride is paramagnetic. why?

• Cuprous ion is represented as Cu⁺ & cupric ions is represented as Cu⁺⁺. The electronic configuration of cuprous ion is 1s²2s²2p⁶3s²3p⁶3d¹⁰.Here we can see that there are no unpaired electrons . So they are said to be diamagnetic in nature.
• The electronic configuration of cupric ions is 1s²2s²2p⁶3s²3p⁶3d⁹. It is important to note that here there is one unpaired electron. So cupric ions are paramagnetic in nature.