Which of the following pairs of structure and | vedclass

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(C) The central metal ion is $Ni^{2+}$,which has an electronic configuration of $[Ar] 3d^8$.$CN^-$ is a strong field ligand,which causes the pairing o

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Square planar,diamagnetic

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(C) The central metal ion is $Ni^{2+}$,which has an electronic configuration of $[Ar] 3d^8$.$CN^-$ is a strong field ligand,which causes the pairing of electrons in the $3d$ orbitals.After pairing,the configuration becomes $d^8$ with no unpaired electrons,leading to $dsp^2$ hybridization.This results in a square planar geometry and diamagnetic behavior due to the absence of unpaired electrons.

Which of the following pairs of structure and magnetic properties is correct for the tetracyanonickelate$(II)$ ion?

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