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Problem 21.78b
What is the systematic name for each of the following ions?
(c) [Co(CO3)3]3-
(d) [Pt(en)2(SCN)2]2+
Problem 21.79a
Assign a systematic name to each of the following ions.
(a) [AuCl4]-
(b) [Fe(CN)6]4-
Problem 21.79b
Assign a systematic name to each of the following ions.
(c) [Fe(H2O)5NCS]2+
(d) [Cr(NH3)2(C2O4)2]-
Problem 21.8
Based on the wavelength of maximum absorption of the cobalt complexes, arrange the following ligands in a spectrochemical series from weakest-field to strongest-field ligand.
(a) Cl- < NCS- < H2O < NH3
(b) Cl- < NCS- < H2O < NH3
(c) H2O < Cl- < NH3 < NCS-
(d) Cl- < H2O < NCS- < NH3
Problem 21.80
What is the systematic name for each of the following coordination compounds?
(c) [Co(NH3)4Br2]Br
(d) Cu(gly)2
Problem 21.80a
What is the systematic name for each of the following coordination compounds?
(a) Cs[FeCl4]
(b) [V(H2O)6](NO3)3
Problem 21.84a
Constitutional isomers of a ruthenium(II) coordination compound are shown below.
(a) Give the formula and name for structures 1-3.
(b) Which structures are linkage isomers?
(c) Which structures are ionization isomers?
Problem 21.85a
Six isomers for a square planar palladium(II) complex that contains two Cl-and two SCN-ligands are shown below.
(a) Which structures are cis-trans isomers?
(b) Which structures are linkage isomers?
Problem 21.86
Which of the following complexes can exist as diastereoisomers?
(a) [Cr(NH3)2Cl4]-
(b) [Co(NH3)5Br]2+
(c) [MnCl2Br2]2- (tetrahedral)
(d) [Pt(NH3)2Br2]2-
Problem 21.87a
Tell how many diastereoisomers are possible for each of the following complexes, and draw their structures.
(a) Pt(NH3)3Cl (square planar)
(b) [FeBr2Cl2(en)]-
Problem 21.87b
Tell how many diastereoisomers are possible for each of the following complexes, and draw their structures.
(c) [Cu(H2O)4Cl2]+
(d) Ru(NH3)3I3
Problem 21.89
Which of the following complexes can exist as enantiomers? Draw their structures.
(a) [Cr(en)3]3+
(b) cis-[Co(NH3)Cl]2+
(c) trans-[Co(en)2(NH3)Cl]2+
(d) [Pt(NH3)3Cl3]+
Problem 21.9
What is the crystal field energy level diagram for the complex [Fe(NH3)6]3+?
(a)
(b)
(c)
(d)
Problem 21.90
Draw all possible diastereoisomers of [Cr(C2O4)2(H2O)2]-. Which can exist as a pair of enantiomers?
Problem 21.91
Draw the three possible diastereoisomers of the triethylenetetramine complex [Co(trend)Cl2]+. Abbreviate the flexible tetradentate trien ligand H2NCH2CH2NHCH2CH2NHCH2CH2NH2 as . Which of the isomers can exist as a pair of enantiomers?
Problem 21.93
What is a racemic mixture? Does it affect plane-polarized light? Explain.
Problem 21.94
Draw the structure of all isomers of the octahedral complex [NbX2Cl4]- (X- = NCS-), and identify those that are linkage isomers.
Problem 21.95
The glycinate anion, gly-= NH2CH2CO2 -, bonds to metal ions through the N atom and one of the O atoms. Using to represent gly-, sketch the structures of the four stereoisomers of Co(gly)3.
Problem 21.96
Draw the structures of all possible diastereoisomers of an octahedral complex with the formula MA2B2C2. Which of the diastereoisomers, if any, can exist as enantiomers?
Problem 26a
Locate on the periodic table the transition elements with the following electron configurations. Identify each element.
(a) [Ar] 3d74s2
(b) [Ar] 3d54s1
Problem 26b
Locate on the periodic table the transition elements with the following electron configurations. Identify each element.
(c) [Kr] 4d25s2
(d) [Xe] 4f36s2
Problem 27b
Look at the location in the periodic table of elements A, B, C, and D. What is the electron configuration of the transition metal in each of the following ions?
(c) C3+
(d) DO42-
Problem 32
What is the systematic name for each of the following molecules or ions? Include cis or trans prefixes for diastereoisomers. Platinum is Pt(II) in square planar complexes and Pt(IV) in octahedral complexes.
(1)
(2)
(3)
(4)
Problem 33
Consider the following isomers [Cr(NH3)2Cl4]-.
(a) Label the isomers as cis or trans.
(b) Which isomers are identical, and which are different?
(c) Do any of these isomers exist as enantiomers? Explain.
Problem 34a
Consider the following ethylenediamine complexes.
(a) Which complexes are chiral, and which are achiral?
(b) Draw the enantiomer of each chiral complex.
(c) Which, if any, of the chiral complexes are enantiomers of one another?
Problem 34b
Consider the following ethylenediamine complexes.
(a) Which complexes are chiral, and which are achiral?
(b) Draw the enantiomer of each chiral complex.
(c) Which, if any, of the chiral complexes are enantiomers of one another?
Problem 34c
Consider the following ethylenediamine complexes.
(a) Which complexes are chiral, and which are achiral?
(b) Draw the enantiomer of each chiral complex.
(c) Which, if any, of the chiral complexes are enantiomers of one another?
- Use the periodic table to provide the electron configuration for each of the following atoms and ions: (a) Co (b) Co2+
Problem 36
Problem 36c,d
Use the periodic table to give the electron configuration for each of the following atoms and ions.
(c) Co(V) in CoO43–
(d) Co(IV) in CoF62–
Problem 40
Titanium, used to make jet aircraft engines, is much harder than potassium or calcium. Explain.