Dimethyl glyoxime forms a square planar compl | vedclass

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(A) The electronic configuration of $Ni^{2+}$ is $[Ar] 3d^8$.In the presence of dimethyl glyoxime (dmg),which acts as a strong field ligand,the electr

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diamagnetic

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(A) The electronic configuration of $Ni^{2+}$ is $[Ar] 3d^8$.In the presence of dimethyl glyoxime (dmg),which acts as a strong field ligand,the electrons in the $3d$ orbitals pair up.This results in a $dsp^2$ hybridization,which corresponds to a square planar geometry.As shown in the orbital diagram,all electrons are paired in the complex $[Ni(dmg)_2]$.Since there are no unpaired electrons,the magnetic moment $\mu = 0$,making the complex diamagnetic.

List-$I$ (Complex)	List-$II$ (Hybridisation of central metal ion)
$A$. $[CoF_6]^{3-}$	$I$. $d^2sp^3$
$B$. $[NiCl_4]^{2-}$	$II$. $sp^3$
$C$. $[Co(NH_3)_6]^{3+}$	$III$. $sp^3d^2$
$D$. $[Ni(CN)_4]^{2-}$	$IV$. $dsp^2$

Dimethyl glyoxime forms a square planar complex with $Ni^{2+}$. This complex should be

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