Complex ion review sheet

Given a periodic table be able to prode the electron configuration of a metal
or an ion.
Which of the following is a d7 ion?
A) Co(II)
B) Cu(II)
C) Mn(II)
D) Mn(IV)
E) At least two of the above (a-d) are d7 ions.
 Know the general trends among the transition metals.
Which of the following is true?
A) The first ionization energy for Zn is significantly higher than that of Sc.
B) The first ionization energy for Zn is significantly lower than that of Sc.
C) The third ionization energy for Zn is significantly higher than that of Sc.
D) The third ionization energy for Zn is significantly lower than that of Sc.
E) Two of these are correct.
 Given formulas determine coordination numbers
What are the oxidation numbers of each central metal atom in the following
coordination compounds?
K3[Fe(CN)6], [Cr(NH3)4Br2]Br, [Ni(H2O)6]Cl2, Na2[TaF7]
A) 3, 3, 3, 5
B) 3, 3, 2, 7
C) –3, 3, 2, 5
D) –3, 1, 2, 5
E) 3, 3, 2, 5
 Given a formula provide the name and visa versa.
What is the correct formula for sodium tetrachlorocuprate(II)?
A) Na2(CuCl6)
B) Na4(CuCl4)
C) Na(CuCl4)
D) Na2(CuCl4)
E) Na3(CuCl4)
What is the correct IUPAC name for [AuCl4(H2O)2]–?
A) diaquatetrachloroaurate(0) ion
B) diaquatetrachloroaurate(III) ion
C) diaquatetrachloroaurate(I) ion
D) diaquatetrachlorogold(III) ion
E) diaquatetrachlorogold(I) ion
 Given geometries predict and draw isomers.
Consider the following complexes:
I.
Pt(NH3)2Cl2
(square planar)
II. Rh(en)32+
(en = H2N–CH2–CH2–NH2 and is bidentate)
2–
III. CoCl4
(tetrahedral)
Which can exhibit cis-trans isomerism?
A) I
B) II
C) III
D) I, II
E) I, II, III
Know what an optical isomer is and be able to predict which complexes
exhibit this phenomena.
h of the Which of following complexes can exhibit optical isomerism?
A) cis–Co(NH3)4Cl2
B) trans–Co(en)2Br2
C) cis–Co(en)2Cl2
D) Co(NH3)3Cl3
E) none of these

Given the field strength comment on the para or diamagnetic
properties of the complex.
Which of the following is paramagnetic?
A) Zn(H2O)62+
B) Co(NH3)63+ (strong field)
C) Cu(CN)32–
D) Mn(CN)62– (strong field)
E) none of these

I)
II)
III)
IV)
Based on field strength or paramagnetic properties comment on the
hybridization of the complex.
V)
Fe(OH2)63+ (assume weak field)
A) representation I
B) representation II
C) representation III
D) representation IV
E) representation V
How many unpaired electrons are there in the complex ion [Co(NO3)6]4–? For this
ion the nitrate ligands produce a very strong crystal field.
A) 1
B) 2
C) 3
D) 4
E) 5

Given a complex formula and spin orientation be able to give electon
configuration for both metal and ligand electrons.
Provide the electron configuration for the ligand electrons in the following species
Complete the following:
Formula
Name
Spin
Ligand
configuration
2[PtF4]
High spin
[PtNH3)4]2+
Low spin
[Co(CN)6]3[Fe(H2O)6]2+
d2sp3
High spin