Q. 17

(i) Draw the geom

Answer :

(i) Geometrical isomers of complex [Pt(en)2Cl2]2+



Geometrical isomers are those which have the same formula but different arrangement of ligands.


(ii) Electronic configuration for d4 ion, if Δ0 > P is .


P is the energy required for electron pairing, Δ0 is the crystal field splitting. Since the energy required for pairing P is lesser, the fourth electron did not want to spend its energy by occupying the eg level and hence the configuration is zero in eg level.


(iii) [Ni(CN)4]2- complex exhibits dsp2 hybridization and since all the electrons are paired it is diamagnetic in nature.



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