Question

Which one of the following complexes is not expected to
exhibit isomerism?
(a) [Ni(en)₃]²⁺
(b) [Ni(NH₃)₄(H₂O)₂]²⁺
(c) [Pt(NH₃)₂Cl₂]
(d)[Ni(NH₃)₂Cl₂]

Answer 1

Which one of the following complexes is not expected to

exhibit isomerism?

(a) [Ni(en)₃]²⁺

(b) [Ni(NH₃)₄(H₂O)₂]²⁺

(c) [Pt(NH₃)₂Cl₂]

(d)[Ni(NH₃)₂Cl₂]

Answer 2

Option (d) is the right answer

[Ni(NH₃)₂Cl₂] doesn't exhibit any kind of isomerism.

Reasons are mentioned below :

- Firstly [Ni(NH₃)₂Cl₂] has a tetrahedral geometry and that's the reason they don't exhibit any kind of isomerism.

- Another important reason for not exhibiting isomerism is due to the presence of symmetry elements.

- Since [Ni(NH₃)₂Cl₂] is termed to a tertahedral molecule that's the main reason it doesn't exhibits any kind of isomerism.