Draw structures of geometrical isomers of `[Fe(NH_3)_2(CN)_4]`

Draw the structures of optical isomers of : Cr(NH_3)_2Cl_2 (en)]^+

Draw the structures of optical isomers of: [Cr(C_2O_4)_3]^3-

Draw the structures of optical isomers of: [PtCl_2(en)_2]^(2+)

Draw the geometrical isomers of [Pt(NH_3)_2.CI_2] . Which of these is optically active.

Draw structure of H_3PO_4 .

Name the following coordination entities and draw the structures of their stereoisomers : [(Co(NH_3)_3Cl_3] (Atomic numbers : Cr = 24, Co = 27)

Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers: [CO(NH_3)_5(NO_2)](NO_3)_2

Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers: [Pt(NH_3)(H_2O)CI_2]

Write all the geometrical isomers of [Pt(NH_3)(Br)(Cl)(py)] and how many of these will exhibit optical isomers?

Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers: K[Cr(H_2O)_2(C_2O_4)_2]