7. MO Diagram. Consider the molecule [Cr(CO)6]²*. e) bonding (nb), and antibonding (*) orbitals, fully label the diagram and add the correct number of electrons. Construct an MO diagram considering only o bonding. Indicate bonding, non- Draw the crystal field splitting diagram for [Cr(CO)e]²* and put the correct number of f) electrons in. Would this compound be paramagnetic or diamagnetic? g) field splitting in your above diagram? Draw a picture of the orbital interaction that is occurring and label the symmetry of the orbitals involved. What interaction of the CO ligands with the metal affects the magnitude of the crystal

1. What is the coordination number of the metal ion in: a. [Fe(CO)s]: b. [Ag(NH3)2]*: c. [PtCl3(NH3)3]*: d. [Au(CN)4]: e. [Cr(en)3]²*: f. [Co(CO3)(NH3)s]* 2. What is the coordination number and the oxidation number of the following metal ions? Complex Ion Coordination Number Oxidation Number of Metal [Fe(CN)6]³- [Fe(CN)6]“- [Ag(NH3)2]* [Ni(en);]²+ [COC/2(en)2]2+ 135

Organometallics A. For the following metal complexes indicate: 1) the metal oxidation state, il) the d- electron count, iii) the valence electron count for the complex, iv) the expected metal geometry, and v) draw the complex. (NB: A periodic table is provided on the last page) [Ru(CH)C₂1₂ VO(acac), Oxidation State: +2 +4 d electrons Valence e Geometry Structure [( dppe )Co(CH) [(CH)Y(H)Phol, Oxidation State: d electrons Valence e Geometry Structure 6 5 5

Which of the following forms of isomerism can be exhibited by [Fe(H2O)3Cl3]? Draw and label those that apply.  A. cis-trans isomerism B. coordination isomerism C. linkage isomerism D. mer-fac isomerism E. optical isomerism