Question 1

A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form a covalent bond with chlorine?

Accepted Answer

A)   +2
B)   +3
C)   +4
D)   +5
E)   +6F) C) and E)
G) A) and D)

Question 2

Which of the following ligands is most likely to form a high spin octahedral complex with cobalt(II) ?

Accepted Answer

A)   CN¯
B)   en (ethylenediamine) 
C)   NO2¯
D)   CO
E)   I¯F) A) and B)
G) B) and C)

Question 3

Of the 3d transition series of elements, zinc has the greatest atomic radius.

Accepted Answer

A) True 
 B)False

Question 4

A) How many unpaired 3d electrons will there be in (i) high and (ii) low-spin complexes of Co(II)?
B) How can high and low-spin complexes be recognized and distinguished experimentally?

Accepted Answer

a. (i) high-spin, 3 unpaired electrons (...

Question 5

A certain transition metal complex has the formula MX42+. If the metal ion has a d8 electron configuration,what is the shape of the complex?

Accepted Answer

A)   octahedral
B)   square pyramid
C)   tetrahedral
D)   trigonal pyramid
E)   square planarF) B) and E)
G) A) and C)

Question 6

If a solution absorbs green light, what is its likely color?

Accepted Answer

A)   red
B)   violet
C)   orange
D)   yellow
E)   blueF) All of the above
G) C) and E)

Question 7

The dxy and the  orbitals both lie in the xy plane, yet for a metal ion in an octahedral complex the energy of the dxy orbital is lower than that of the  orbital. Explain this using the arguments of crystal field theory.

Accepted Answer

The d_xy orbital lobes are directed between...

Question 8

Which of the following elements has the ground state electron configuration, [Xe]4f145d106s1?

Accepted Answer

A)   Hg
B)   Ag
C)   Hf
D)   Au
E)   ThF) B) and E)
G) A) and D)

Question 9

Which of the following transition elements can achieve the largest oxidation number?

Accepted Answer

A)   chromium, Cr, Group 6B(6) 
B)   manganese, Mn, Group 7B(7) 
C)   iron, Fe, Group 8B(8) 
D)   cobalt, Co, Group 8B(9) 
E)   zinc, Zn, Group 2B(12) F) A) and E)
G) A) and D)

Question 10

Which of the following ligands could participate in linkage isomerism?

Accepted Answer

A)   NH3
B)   H2O
C)   NH4+
D)   NO2¯
E)   ethylenediamineF) B) and C)
G) B) and E)

Question 11

A) State the requirement for two molecules to be optical isomers.
B) A complex ion MABCD2+ (where A, B, C and D are different unidentate ligands) rotates the plane of polarized light. Deduce the geometry of the complex and draw the optical isomers of this ionic formula.

Accepted Answer

a. The molecules must be non-s...

Question 12

Iron(III)  forms an octahedral complex with the ligand CN¯. How many unpaired electrons are in the d orbitals of iron?

Accepted Answer

A)   1
B)   3
C)   5
D)   7
E)   None of these choices is correct.F) B) and E)
G) C) and E)

Exam 23: The Transition Elements and Their Coordination Compounds

A certain transition metal complex has the formula MX₄²⁺. If the metal ion has a d⁸ electron configuration,what is the shape of the complex?

Correct Answer
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Which of the following ligands could participate in linkage isomerism?

Correct Answer
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Of the 3d transition series of elements, zinc has the greatest atomic radius.

Correct Answer
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A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form a covalent bond with chlorine?

Correct Answer
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Which of the following elements has the ground state electron configuration, [Xe]4f¹⁴5d¹⁰6s¹?

Correct Answer
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If a solution absorbs green light, what is its likely color?

Correct Answer
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Iron(III) forms an octahedral complex with the ligand CN¯. How many unpaired electrons are in the d orbitals of iron?

Correct Answer
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Which of the following ligands is most likely to form a high spin octahedral complex with cobalt(II) ?

Correct Answer
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A) How many unpaired 3d electrons will there be in (i) high and (ii) low-spin complexes of Co(II)? B) How can high and low-spin complexes be recognized and distinguished experimentally?

Correct Answer
verified
a. (i) high-spin, 3 unpaired electrons (...
View Answer

A) State the requirement for two molecules to be optical isomers. B) A complex ion MABCD²⁺ (where A, B, C and D are different unidentate ligands) rotates the plane of polarized light. Deduce the geometry of the complex and draw the optical isomers of this ionic formula.

Correct Answer
verified
a. The molecules must be non-s...
View Answer

The d_xy and the orbitals both lie in the xy plane, yet for a metal ion in an octahedral complex the energy of the d_xy orbital is lower than that of the orbital. Explain this using the arguments of crystal field theory.

Correct Answer
verified
The d_xy orbital lobes are directed between...
View Answer

Which of the following transition elements can achieve the largest oxidation number?

Correct Answer
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Exam 23: The Transition Elements and Their Coordination Compounds

A certain transition metal complex has the formula MX42+. If the metal ion has a d8 electron configuration,what is the shape of the complex?

Correct AnswerverifiedShow Answer

Which of the following ligands could participate in linkage isomerism?

Correct AnswerverifiedShow Answer

Of the 3d transition series of elements, zinc has the greatest atomic radius.

Correct AnswerverifiedShow Answer

A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form a covalent bond with chlorine?

Correct AnswerverifiedShow Answer

Which of the following elements has the ground state electron configuration, [Xe]4f145d106s1?

Correct AnswerverifiedShow Answer

If a solution absorbs green light, what is its likely color?

Correct AnswerverifiedShow Answer

Iron(III) forms an octahedral complex with the ligand CN¯. How many unpaired electrons are in the d orbitals of iron?

Correct AnswerverifiedShow Answer

Which of the following ligands is most likely to form a high spin octahedral complex with cobalt(II) ?

Correct AnswerverifiedShow Answer

A) How many unpaired 3d electrons will there be in (i) high and (ii) low-spin complexes of Co(II)? B) How can high and low-spin complexes be recognized and distinguished experimentally?

Correct Answerverifieda. (i) high-spin, 3 unpaired electrons (...View AnswerShow Answer

A) State the requirement for two molecules to be optical isomers. B) A complex ion MABCD2+ (where A, B, C and D are different unidentate ligands) rotates the plane of polarized light. Deduce the geometry of the complex and draw the optical isomers of this ionic formula.

Correct Answerverifieda. The molecules must be non-s...View AnswerShow Answer

The dxy and the orbitals both lie in the xy plane, yet for a metal ion in an octahedral complex the energy of the dxy orbital is lower than that of the orbital. Explain this using the arguments of crystal field theory.

Correct AnswerverifiedThe dxy orbital lobes are directed between...View AnswerShow Answer

Which of the following transition elements can achieve the largest oxidation number?

Correct AnswerverifiedShow Answer

A certain transition metal complex has the formula MX₄²⁺. If the metal ion has a d⁸ electron configuration,what is the shape of the complex?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Which of the following elements has the ground state electron configuration, [Xe]4f¹⁴5d¹⁰6s¹?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
a. (i) high-spin, 3 unpaired electrons (...
View Answer

A) State the requirement for two molecules to be optical isomers. B) A complex ion MABCD²⁺ (where A, B, C and D are different unidentate ligands) rotates the plane of polarized light. Deduce the geometry of the complex and draw the optical isomers of this ionic formula.

Correct Answer
verified
a. The molecules must be non-s...
View Answer

The d_xy and the orbitals both lie in the xy plane, yet for a metal ion in an octahedral complex the energy of the d_xy orbital is lower than that of the orbital. Explain this using the arguments of crystal field theory.

Correct Answer
verified
The d_xy orbital lobes are directed between...
View Answer

Correct Answer
verified