1)

The geometries of the ammonia  complexes of Ni2+, Pt2+ and Zn2+ respectively are


A) octahedral, square planar and tetrahedral

B) square planar, octahederal and tetrahedral

C) tetrahedral, square planar and octahedral

D) octahedral, tetrahedral and square planar

Answer:

Option A

Explanation:

[Ni(NH3)6]2+sp3d2octahedral

[Pt(NH3)4]2+dsp2squareplanar

[Zn(NH3)4]2+sp3tetrahedral