Which one of the following will not show geometrical isomerism

Options

A. `[Cr(NH_3)_4Cl_2]Cl`
B. `[Co(e n)_2Cl_2]Cl`
C. `[Co(NH_3)_5 NO_2]Cl_2`
D. `[Pt(NH_3)_2Cl_2]`

Answer

C

Explanation

Properties of ionic solid