24. Transition Metals and Coordination Compounds

Which of the following complexes cannot have geometric isomers?

i) [PtCl₂(NH₃)₂]

ii) K₄[Fe(CN)₄(OH)₂]

iii) [Ag(NH₃)₂]Cl

iv) [Ni(H₂O)₂(NH₃)₂]Br₂

The complex [Fe(NH₃)₅OCN]²⁺ has two isomers. Draw their structures.

How many isomers are possible for [Cu(H₂O)₂(NH₃)₂]SO₄? Draw their structures.

Which of the complexes or complex ions has geometric (cis or trans) isomers?

How many geometric isomers are possible for the complex [CrF₃Br₃]₃?

Which of the following two substances are made of the same element but conformed in different ways?