Which is (are) correct statement (s) ?

Options

A. `[Ag(NH_(3)_(2)]^(+)`is linear with sp hybridsed `AG^(+)`ions
B. `NiCl_(4)^(2-),CrO_(4)^(2-)and MnO_(4)^(-)` have tetrahedral geometry
C. `[Cu(NH_(3))_(4)]^(2+)`,`[pt(NH_(3))_(4)]^(2+) and [Ni(CN)_(4)]^(2-)` have `dsp^(2)` hybridisatioj of the metal ion
D. `Fe(CO)_(5)`has trigonal bipyramidal struure with `D_(Z^(2))Sp^(3)` hydridesed ion

Answer

a,b,c,d

Explanation

Apply Pauling VB theory . See the structures .