Transition and InnerTransition Elements - Result Question 18

####19. The geometries of the ammonia complexes of $Ni^{2+}, Pt^{2+}$ and $Zn^{2+}$, respectively, are

(2016 Main)

(a) octahedral, square planar and tetrahedral

(b) square planar, octahedral and tetrahedral

(c) tetrahedral, square planar and octahedral

(d) octahedral, tetrahedral and square planar

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Solution:

  1. $\left[Ni\left(NH _3\right) _6\right]^{2+} s p^{3} d^{2}$ octahedral

$\left[Pt\left(NH _3\right) _4\right]^{2+} d s p^{2}$ square planar

$\left[Zn\left(NH _3\right) _4\right]^{2+} s p^{3}$ tetrahedral



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