Which of the following compounds is diamagnet | vedclass

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Question

(A) To determine the magnetic property,we look at the electronic configuration of the metal ion:$1$. In $ZnCl_2$,$Zn$ is in the $+2$ oxidation state.

Vedclass · Accepted Answer

$ZnCl_2$

Vedclass · Answer

(A) To determine the magnetic property,we look at the electronic configuration of the metal ion:$1$. In $ZnCl_2$,$Zn$ is in the $+2$ oxidation state. The configuration is $[Ar] 3d^{10}$. Since all electrons are paired,it is diamagnetic.$2$. In $CrCl_3$,$Cr$ is in the $+3$ oxidation state. The configuration is $3d^3$,which has unpaired electrons,making it paramagnetic.$3$. In $CuSO_4$,$Cu$ is in the $+2$ oxidation state. The configuration is $3d^9$,which has one unpaired electron,making it paramagnetic.$4$. In $[NiCl_4]^{2-}$,$Ni$ is in the $+2$ oxidation state. The configuration is $3d^8$,which has two unpaired electrons,making it paramagnetic.Therefore,the correct answer is $ZnCl_2$.

Which of the following compounds is diamagnetic?

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