If Ni^{2+} is replaced by Pt^{2+} in the comp | vedclass

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(B) The complex $[NiCl_2Br_2]^{2-}$ involves a $3d$ metal ion with weak field ligands,resulting in a tetrahedral geometry,which is paramagnetic and do

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$A, B$ and $D$

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(B) The complex $[NiCl_2Br_2]^{2-}$ involves a $3d$ metal ion with weak field ligands,resulting in a tetrahedral geometry,which is paramagnetic and does not exhibit geometrical isomerism.The complex $[PtCl_2Br_2]^{2-}$ involves a $5d$ metal ion,which forces pairing of electrons,resulting in a square planar geometry,which is diamagnetic and exhibits geometrical isomerism (cis and trans forms).Therefore,the properties that change are:$1.$ Geometry (Tetrahedral to Square Planar)$2.$ Geometrical isomerism (Absent to Present)$3.$ Magnetic properties (Paramagnetic to Diamagnetic)Thus,$A, B,$ and $D$ are expected to change.

If $Ni^{2+}$ is replaced by $Pt^{2+}$ in the complex $[NiCl_2Br_2]^{2-}$,which of the following properties are expected to change?
$A.$ Geometry
$B.$ Geometrical isomerism
$C.$ Optical isomerism
$D.$ Magnetic properties

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If $Ni^{2+}$ is replaced by $Pt^{2+}$ in the complex $[NiCl_2Br_2]^{2-}$,which of the following properties are expected to change?$A.$ Geometry$B.$ Geometrical isomerism$C.$ Optical isomerism$D.$ Magnetic properties