Q. Which of the following will not show geometrical isomerism?
A \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
B \(\left[\mathrm{Co}(e n){ }_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
C \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}\right] \mathrm{Cl}_{2}\)
D \(\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right){ }_{2} \mathrm{Cl}_{2}\right]\)