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Question

Chemistry Question on properties of d block elements

Which one of the given transition metal ions is diamagnetic?

A

Cu2+ Cu^{2+}

B

Co2+ Co^{2+}

C

Cr3+ Cr^{3+}

D

Zn2+ Zn^{2+}

Answer

Zn2+ Zn^{2+}

Explanation

Solution

Zn2+=3d104s0Zn ^{2+}=3 d^{10} 4 s^{0} has no unpaired electron hence, diamagnetic in nature.