Homework Problems Chapter 5

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Homework Problems

Exercise 1

Name the following compounds:

a) [(NH3)5Cr-O-Cr(NH3)5 ]4+

b)Na[Fe(NH3)3Cl3]

c) VOCl3

d) Na2PdCl4

e) [Ni(NH3)3(NMe3)](PF6)2

a) μ-oxo bis(pentaamminechromium (III)) (or 4+)

b) sodium triammine trichloroferrate (II) (or (1-))

d) sodium tetrachloropalladate (II) (or (2-))

e) triammine (trimethylamine) nickel (II) hexafluorophosphate or triammine (trimethylamine) nickel (2+) hexafluorophosphate

Exercise 2

Write a plausible structural formula for

a) pentaaquathiocyanatoiron(III).

b) dicyanoargentate (I)

c) Tris(triphenylphosphine)gold(I)

a)

b)

c)

Exercise 3

What other stereoisomers can you draw for the complexes depicted below. Are they diasteromers or enantiomers? Determine the handedness of all isomers.

Exercise 4

What type of isomerism is present between the following molecules:

Ionization isomerism

Exercise 5

How many hydrate isomers are theoretically possible for [Al(H2O)6]Cl3. Write down their formulas.

[Al(H2O)5Cl]Cl2 x H2O

[Al(H2O)4Cl2]Cl x 2 H2O

[Al(H2O)3Cl3] x 3 H2O

Exercise 6

What isomerisms do you see between the following two compounds:

[M(H2O)4Cl2]Br2 and [M(H2O)3ClBr2]Cl x H2O.

Hydrate isomerism and ionization isomerism

Exercise 7

What distortions are common for the octahedral shape?

Tetragonal and trigonal distortions

Exercise 8

Which coordination number and shape would you most likely expect for a complex between Ag+ and S2O32-?

CN = 2, linear shape.

Exercise 9

Which of the following complexes are most likely square planar:

a) AuCl4-

b) ZnCl42-

c) TiCl4

d) FeCl42-