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(A) The paramagnetic property depends on the number of unpaired electrons $(n)$. The higher the number of unpaired electrons,the greater the paramagne

Vedclass · Accepted Answer

$Cu^{2+} < V^{2+} < Cr^{2+} < Mn^{2+}$

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(A) The paramagnetic property depends on the number of unpaired electrons $(n)$. The higher the number of unpaired electrons,the greater the paramagnetic property.Electronic configurations:$Cu^{2+} (Z=29): [Ar] 3d^9$,$n=1$$V^{2+} (Z=23): [Ar] 3d^3$,$n=3$$Cr^{2+} (Z=24): [Ar] 3d^4$,$n=4$$Mn^{2+} (Z=25): [Ar] 3d^5$,$n=5$Thus,the increasing order of paramagnetic property is $Cu^{2+} < V^{2+} < Cr^{2+} < Mn^{2+}$.

Which of the following options correctly represents the increasing order of the paramagnetic property of the ions?

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