Structure and Dynamics

Question 1

What fundemental ligand substitution reaction is shown below?

Answer 1

Dissociative Mechanism

Question 2

What fundemental ligand substitution reaction is shown below?

Answer 2

Dissociative Mechanism

Question 3

Which stereoisomer is shown below?

Answer 3

Λ (lambda)

Question 4

What is the symmetry of the inital and final structures in a Berry Pseudorotation mechanism involving a 5 coordinate complex?

Answer 4

Either D_3h or C_4v

Question 5

What is the symmetry of the inital and final structures in a Berry Pseudorotation mechanism involving a 5 coordinate complex?

Answer 5

D_3h

Question 6

The stronger σ donors should prefer what position of a square pyrmaid d⁰- d⁶ and d¹⁰ complexes.

Apical and Basal

Answer 6

Apical

Question 7

The stronger σ donors should prefer what position of a square pyramidal d⁸ complex.

Apical and Basal

Answer 7

Basal

Question 8

The stronger σ donors should prefer what position of a trigonal bipyramidal​d⁸ complex.

Equatorial ​or Axial

Answer 8

Axial

Question 9

The stronger σ donors should prefer what position of trigonal bipyramid d⁰-d⁴ and d¹⁰ complexes.

Equatorial ​or Axial

Answer 9

Equatorial

Question 10

Axial bond should be strong in trigonal bipyramid with what d-electron count?

Answer 10

low-spin d⁵-d⁸ complexes

Question 11

Axial bond should be weak in trigonal bipyramid with what d-electron count?

Answer 11

d⁰-d⁴ and d¹⁰ complexes

Question 12

Isomerization mechanism by which two axial ligands are exchanged for two of the equatorial ones.

Answer 12

Berry Pseudorotation

Question 13

Two opposing triangular faces of a octahedron (O_h symmetry) distort into a trigonal prism (D_3h symmetry), passing through intermediate geometries (D₃ symmetry) called metaprisms.

Answer 13

Trigonal Twist Distortion

(Bailar Twist)

Question 14

Which stereoisomer is shown below?

Answer 14

Δ (Delta)