CHM 431

1. 1. Please write your MATRIC NUMBER, SURNAME, MIDDLE NAME

2. 2. Calculate in units of Δ_t the crystal field stabilization energy of [Ni(Cl)₄]^2-

Complex

3. 3. Give the configurations in tetrahedral complexes with orbital angular momentum contributions

4. 4 .Using VBT, give the hybridization and geometry of the complex [Mn(NO₂)₆]³⁺ 

• a. dsp3d octahedral

• b. d2sp3 octahedral

• c. sp3d2 octahedral

• d. dsp2 octahedral

6. 5. Calculate in units of Δ_o the crystal field stabilization energy of [Co(CO)₆]²⁺

7. 6. Give the stable electronic configuration for a d⁵ octahedral complex

8. 7. Which of the following d-electron configuration would undergo distortion

• a.       t_2g³e_g²

• b. t_2g⁵    e_g²

• c. t_2g⁶  e_g⁴

8. Give the electronic configurations for ground state F term symbol in the orgel diagram

10. 9. What is the term symbol for [Ni(NH₃)₆]²⁺

11. 10. Will ZnMn₂O₄ crystallize as normal or inverse spinel?

• a. Normal

• b. Inverse