Coordination Compounds

Topics in this chapter

• Coordination Foundations
• VBT And Hybridization
• Crystal Field Theory
• Magnetic Properties
• Isomerism And Stereochemistry
• Metal Carbonyls

Cheat sheet

Practice questions

1. Question 1Q-22DAA1

   According to Werner's theory of coordination compounds, which of the following statements is INCORRECT?

   1. A.Metals exhibit two types of linkages: primary and secondary valencies.
   2. B.Primary valencies are ionisable and are satisfied by negative ions.
   3. C.Secondary valencies are non-ionisable and are satisfied by neutral or negative species.
   4. D.Secondary valencies determine the oxidation state of the metal atom.
   See the answer and solution
2. Question 2Q-1C1631

   Which of the following coordination entities exhibits optical isomerism?

   1. A.[Co(NH3)4Cl2]+
   2. B.[Co(en)3]3+
   3. C.[Pt(NH3)2Cl2]
   4. D.[Co(NH3)3Cl3]
   See the answer and solution
3. Question 3Q-F4C2F0

   What is the correct crystal field stabilization energy (CFSE) for a $d^4$ configuration in an octahedral field with strong field ligands?

   1. A.-1.6 \Delta_o + P
   2. B.-0.6 \Delta_o + P
   3. C.-1.2 \Delta_o
   4. D.-0.4 \Delta_o + P
   See the answer and solution
4. Question 4Q-13ACE5

   Which of the following complexes is diamagnetic and has square planar geometry?

   1. A.[NiCl4]2-
   2. B.[Ni(CN)4]2-
   3. C.[CoCl4]2-
   4. D.[MnCl4]2-
   See the answer and solution
5. Question 5Q-0A227D

   The spin-only magnetic moment of [Fe(H2O)6]2+ is approximately:

   1. A.4.90 BM
   2. B.5.92 BM
   3. C.1.73 BM
   4. D.0.00 BM
   See the answer and solution