\[NiC{{l}_{2}}{{\left\{ P{{({{C}_{2}}{{H}_{5}})}_{2}}\,({{C}_{6}}{{H}_{5}}) \right\}}_{2}}\] exhibits temperature dependent magnetic behaviour (paramagnetic / diamagnetic). The coordination geometries of \[N{{i}^{2+}}\] in the paramagnetic and diamagnetic states respectively, are

square planar and square planar

\[NiC{{l}_{2}}{{\left\{ P{{({{C}_{2}}{{H}_{5}})}_{2}}\,({{C}_{6}}{{H}_

1.	\[NiC{{l}_{2}}{{\left\{ P{{({{C}_{2}}{{H}_{5}})}_{2}}\,({{C}_{6}}{{H}_{5}}) \right\}}_{2}}\] exhibits temperature dependent magnetic behaviour (paramagnetic / diamagnetic). The coordination geometries of \[N{{i}^{2+}}\] in the paramagnetic and diamagnetic states respectively, are
A.	tetrahedral and tetrahedral
B.	square planar and square planar
C.	tetrahedral and square planar
D.	square planar and tetrahedral
Answer» D. square planar and tetrahedral

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\[NiC{{l}_{2}}{{\left\{ P{{({{C}_{2}}{{H}_{5}})}_{2}}\,({{C}_{6}}{{H}_{5}}) \right\}}_{2}}\] exhibits temperature dependent magnetic behaviour (paramagnetic / diamagnetic). The coordination geometries of \[N{{i}^{2+}}\] in the paramagnetic and diamagnetic states respectively, are

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