Which complex species does/do not exhibit geometrical and only have two stereoisomers.

Options

A. `[Co(EDTA)]^(-)`
B. `[PtBrCl(gly)]^(-)`
C. `[Co(acac)_(2)(en)]^(+)`
D. `[Pd(NO_(2))(o x)(gly)]`

Answer

A, C

Explanation

`[PtBrCl(gly)]^(-) and [Pd(NO_(2))(o x)(gly)]` exhibit geometrical isomerism.