171_hw7_2008 - CHEMISTRY 171: PROBLEM SET #7 (11/14/08)...

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CHEMISTRY 171: PROBLEM SET #7 (11/14/08) Due: FRIDAY, November 21, 2008 1. Determine the CFSE (crystal field stabilization energy) for each of the following: a. Fe(CN) b. c. Fe(H d. PtCl e. Co(NH f. CoCl g. Cr(NH 6 4- Ru(H 2 O) 6 3+ 2 O) 6 3+ 6 2- 3 ) 6 3+ 4 2- (tetrahedral) 3 ) 6 3+ 2. Explain how Δ o is affected by π -acceptor ligands, π -donor ligands and by ligands that don’t π -bond 3. Calculate the crystal field stabilization energy and predict whether the following exhibit a Jahn-Teller distortion: a. d 2 octahedral and tetrahedral b. d 3 octahedral and tetrahedral. c. d 4 octahedral(consider both cases) d. Ti +2 tetrahedral e. Co +2 octahedral f. Cu +2 octahedral g. Cd +2 octahedral 4. Which of the following complexes obey the 18-electron rule (EAN rule)? a. d. Fe(CN) Cu(NH 3 ) 4 2 + , Cu(en) 3 2+ , Cu(CN) 4 3- 6 3- , Fe(CN) 6 4 , Fe(CO) 5 b. Ni(NH e. Cr(NH 3 ) 6 2+ , Ni(CN) 4 2- , Ni(CO) 4 3 ) 6 3 + , Cr(CO) 6 c. Co(NH 3 ) 6 3 + , CoBr 4 2- 5. All octahedral complexes of V
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This note was uploaded on 01/29/2010 for the course CHEM 142725201 taught by Professor Kaner during the Fall '08 term at UCLA.

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