1022SCG Quiz Buster 1 T2 2024

1. The electron configuration for Mn2+ is 

• 2. [Ar] 4s2 4p5 

• 2. [Ar] 4s0 3d5 

• [Ar] 4s0 3p5 

• 4. [Ar] 3s2 3d5 

2. What is the electron configuration of Cu? 

• 2. [Ar] 4s2 3d9 

   

• 2. [Ar] 4s2 3d10 

• 3. [Ar] 4s1 3d9 

• 4. [Ar] 4s1 3d10 

3. Which of the following is a hexadentate ligand? 

• 2. EDTA4- 

• 2. Oxalate ion 

• 3. Ethylenediamine (en) 

• 4. Ammonia 

4. What is the coordination number (CN) and oxidation number (ON) of the metal ion in [Fe(CN)6]3-? 

• 2. CN = 3 ON =-3 

• 2. CN = -3 ON = +3 

• 3. CN = 6 ON = -3 

• 4. CN = 6 ON = +3 

5. What is the correct orbital diagram for [Fe(H2O)6]2+? 

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6. Which statement best represents the Ligand in the metal complex [Fe(CN)6]3- ? 

• 1. Strong field 

• 3. Weak field 

  4.  

• 3. Long field 

• 4. Short field

7. In Crystal Field Theory, which of the following statements is true for a central transition metal ion in an octahedral ligand field? 

• 1. dxy, dxz, and dyz valence orbitals point toward the ligands and are raised to a higher energy level 

• 2. dz2 and dx2- y2 valence orbitals point toward the ligands and are raised to a higher energy level 

• 3. dz2 and dx2- y2 valence orbitals point between the ligands and are raised to a higher energy level

• 4. The dxy, dxz, and dyz valence orbitals are higher in energy than the dz2 and dx2y2 valence orbitals 

8. Which of the following square-planar complexes can have cis-trans isomers? 

• 2. [Pt(NH3)4]2+ 

• 2. [Ni(NH3)4]2+ 

• 3. [Pt(NH3)2Cl2] 

• 4. [Pt(NH3)Cl3]- 

9. FeCl8 is likely to absorb what wavelength of light and why? 

 

• 1. Short wavelengths, because it is high spin  

• 2. Long wavelengths, because it is low spin  

• 3. Short wavelengths, because it is low spin 

• 4. Long wavelengths, because it is high spin 

10. Which coordination number (CN) and oxidation number (ON) represent the metal complex [Ni(NH3)6]Br2?

• 10. CN = 6, ON = +2 

• 2. CN = 6, ON = -2 

• 3. CN = 3, ON = 0 

• 4. CN = 3, ON = +2