The pair(s) of coordination complexes/ion exhibiting the same kind of isomerism is (are):
(i) `[Cr(NH_(3))_(5)CI]CI_(2)` and `[Cr(NH_(3))_(4)CI_(2)]CI`
(ii) `[Co(NH_(3))_(4)CI_(2)]^(+)` and `[Pt(NH_(3))_(2)(H_(2)O)CI]^(+)`
(iii) `[CoBr_(2)CI_(2)]^(2-)` and `[PtBr_(2)CI_(2)]^(2-)`
(iv) `[Pt(NH_(3))_(3)(NO_(3))]CI` and `[Pt(NH_(3))_(3)CI]Br`

Options

A. `[Cr(NH_3)_5Cl]^(+) and [Cr(NH_3)_4Cl_2]Cl`
B. `[Co(NH_3)_4Cl_2]^(+) and [Pt(NH_3)_2(H_2O) Cl]^(+)`
C. `[CoBr_2Cl_2]^(2-) and [Pt Br_2Cl_2]^(2-)`
D. `[Pt(NH_3)_3(NO_3)] Cl and [Pt (NH_3)_3 Cl] Br`

Answer

B, D