Which among the following statements about [N | vedclass

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(B) For the complex $[Ni(CN)_4]^{2-}$: $1$. Let the oxidation state of $Ni$ be $x$. $x + 4(-1) = -2 \Rightarrow x = +2$. Thus,the oxidation state of $

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Oxidation state of $Ni$ is $+6$

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(B) For the complex $[Ni(CN)_4]^{2-}$: $1$. Let the oxidation state of $Ni$ be $x$. $x + 4(-1) = -2 \Rightarrow x = +2$. Thus,the oxidation state of $Ni$ is $+2$,not $+6$. $2$. $CN^-$ is a strong field ligand,which causes the pairing of electrons in the $3d$ orbitals. $3$. The electronic configuration of $Ni^{2+}$ is $[Ar] 3d^8$. $4$. Due to the pairing,the complex undergoes $dsp^2$ hybridization,resulting in a square planar geometry.

Which among the following statements about $[Ni(CN)_4]^{2-}$ is $NOT$ true?

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