" Draw the geometrical isomers of "[Pt(NH_(3))_(4)Cl_(2)]^(2+)

Give the geometrical isomers of [Pt(NH_(3))_(2)Cl_(2)] .

Illustrate the geometrical isomers of [Pt(NH_3)_4Cl_2]^(2+) .

Write all the geometrical isomers of [Pt(NH_(3))(Br)(Cl)(py)] and how many of these will exhibit optical isomers?

Write all the geometrical isomers of [Pt(NH_(3))(Br)(Cl)(py)] and how many of these will exhibit optical isomerism?