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Q.
Which has square planar geometry?
Coordination Compounds
Solution:
Oxidation state of $Pt$ in $\left[ Pt \left( NH _{3}\right)_{2} Cl _{2}\right]=+2$
$d s p^{2}$ -hybridisation leads to square planar geometry.
Oxidation state of $Ni$ in $\left[ Ni ( CN )_{4}\right]^{2-}=+2$
$d s p^{2}$ -hybridisation leads to square planar geometry.