Question

${Cu^{2+}}$ is

• A. diamagnetic
• B. ferrimagnetic
• C. paramagnetic
• D. ferromagnetic.

Answer 1

Answer: (C)

paramagnetic

Answer 2

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