Which of the following statement is false.

Options

A. In `[PtCl_(2)(NH_(3))_(4)]^(+2)` complex ion, the cis-form is optically inactive
B. In `[Fe(C_(2)O_(4))_(3)]^(3-)`, geometrical isomerism does not exist, while optical isomerism exists
C. In `["Mabed"]^(npm)` letrahedral complexes, optical isomerism cannot be observed
D. In `["Mabed"]^(npm)`square planar complexes, optical isomerism can be observed

Answer

A, C, D

Explanation

For `MF[M(a-A)_(3)]^(npm)` geometrical isomerism not possible.