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

Cobalt(III) trifluoroacetylacetonate, Co(tfac)₃, is a sixc oordinate, octahedral metal chelate in which three planar, bidentate tfac ligands are attached to a central Co atom:

(a) Draw all possible diastereoisomers and enantiomers of Co(tfac)₃.

Cobalt(III) trifluoroacetylacetonate, Co(tfac)₃, is a sixcoordinate, octahedral metal chelate in which three planar, bidentate tfac ligands are attached to a central Co atom:

(b) Diastereoisomers A and B have dipole moments of 6.5 D and 3.8 D, respectively. Which of your diastereoisomers is A and which is B?

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 complexes are chiral?

(a) Pt(en)Cl₂

(b) cis-[Co(NH₃)₄Br₂]+

(c) cis-[Cr(en)₂(H₂O)₂]³⁺

(d) [Cr(C₂O₄)₃]^3-