Which of the following sequences of hybridisa | vedclass

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Question

$(D)$ $A: [NiCl_4]^{2-}, Ni^{2+}(3d^8)$,weak field ligand,$sp^3$ hybridization,tetrahedral geometry,paramagnetic (two unpaired electrons). Correct.
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Vedclass · Accepted Answer

$A, B$ and $D$ only

Vedclass · Answer

$(D)$ $A: [NiCl_4]^{2-}, Ni^{2+}(3d^8)$,weak field ligand,$sp^3$ hybridization,tetrahedral geometry,paramagnetic (two unpaired electrons). Correct.
$B: [Ni(NH_3)_6]^{2+}, Ni^{2+}(3d^8)$,weak field ligand,$sp^3d^2$ hybridization,octahedral geometry,paramagnetic (two unpaired electrons). Correct.
$C: [Ni(CO)_4], Ni^0(3d^8 4s^2)$,strong field ligand $(CO)$,$sp^3$ hybridization,tetrahedral geometry,diamagnetic (all electrons paired). Incorrect (given as paramagnetic).
$D: [Ni(CN)_4]^{2-}, Ni^{2+}(3d^8)$,strong field ligand $(CN^-)$,$dsp^2$ hybridization,square planar geometry,diamagnetic (all electrons paired). Correct.
Thus,the correct sequences are $A, B$,and $D$.

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