Name KE-'f' 1) {9 pts} For each ofthe following pairs of complexes, identify the one that has the larger lfSE and EXPLAIN your ....... a. [Fe(CN)J3- 0 [Ru(CN)6]3- ca fOU P LF Sf- tx.5 do\.\.JY1 b. c. (5 S fronj P, leI 2) {S pts} [Cu(phenhr is an intensely orange colored compound. What kind of electronic transition (d-d, LMCT, MlCf, fluorescence, phosphorescence, etc.) gives rise to this color? K[MnO,d is a deep purple color (as those of you have used it to oxidize organic molecules will recall). What kind of electronic transitio gives rise to this color? EXPLAI your reasoning. r: -t /' + I'f) T Leu (pA.e n)2 7 :.> c u -) C -) 0 LC 1\ [Ml'1 CJ 4J t1f1 71- -7 d rJ --) L MeT 3) {2 pts} Will Pu{lV} disproportionate to Pu(JlI) and Pu(V) in acidic solutions? Et> I R) , s 1\ f f' I 0 ( L-) N o. "-' 4) {4 pts} The rate constants for the formation of [CoX(NH 3 )5]2 from for X= C1, Br", N]', SCN-, differs by no more than a factor of two. What is the mechanism of substitution 7 EXPLAIN your choice. .1 d+-o r IYI elf) M I" C. IIrJ-C(l1c1 Ui5.rOCto.flve. R:-cAle I:> In Cfepal It''' 0 () 5) {4 pts} When [Ni(CN},,]2- is reacted with labeled cyanide, }.4CN', it predominately gives rise to products that have the formula [Ni(CN 4 }.(1"CN)y]. where (x+Y) =4. However, there is a very small percentage of products where (x+y) = 5. What is the mechanism of substitution for [Ni(CN)"t going to where (x+Y) =47 EXPlAIN your choice. one ljLYJ A (XI J) 1'1 f rf410,tJ. Ie.. L/ - ('&(/ y-dlrt:l Ie Is,la!e... . If Is fJu. Y-,vl-x" 41st) fe-no! a ....
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Name KE-'f' 1) {9 pts} For each ofthe following pairs of complexes, identify the one that has the larger lfSE and
EXPLAIN your choic~·_-.......
a. [Fe(CN)J3- 0 [Ru(CN)6]3
ca fOU PLFSf- 1r1c.le~SC- tx.5 ~ou do\.\.JY1 ~
b.
c.
(5 S fronj P, leI
2) {S pts} [Cu(phenhr is an intensely orange colored compound. What kind of electronic transition (d-d,
LMCT, MlCf, fluorescence, phosphorescence, etc.) gives rise to this color? K[MnO,d is a deep purple
color (as those of you have used it to oxidize organic molecules will recall). What kind of electronic
transitio gives rise to this color? EXPLAI your reasoning.
r: -t /' + I'f) TLeu (pA.e n)2 7 :.> cu -) C -) 0 LC
1\ [Ml'1 CJ 4J ~ t1f1 71- -7 drJ --) L MeT
3) {2 pts} Will Pu{lV} disproportionate to Pu(JlI) and Pu(V) in acidic solutions?
Et> I R) ,s 1\ f f' I 0 ( L-) No. "-' 4) {4 pts} The rate constants for the formation of [CoX(NH3)5]2 from [Co(NH3)61]~ for X= C1, Br", N]', SCN-,
differs by no more than a factor of two. What is the mechanism of substitution7 EXPLAIN your
choice. .1 d+-o r IYI elf) M I" C. IIrJ-C(l1c1Ui5.rOCto.flve. R:-cAle I:> InCfepal It''' 0 ()
5) {4 pts} When [Ni(CN},,]2- is reacted with labeled cyanide, }.4CN', it predominately gives rise to products
that have the formula [Ni(CN4}.(1"CN)y]. where (x+Y) =4. However, there is a very small percentage
of products where (x+y) = 5. What is the mechanism of substitution for [Ni(CN)"t going to
Ni(C~C-4-CN).,l,where (x+Y) =47 EXPlAIN your choice.
one ljLYJAs50cl~hve, (XI J) ~S ~ 1'1 f rf410,tJ. Ie.. L/ -('&(/ y-dlrt:lIe
Is,la!e... . If Is fJu. Y-,vl-x" 41st)
fe-no! ~. t~ a....
6) {14 pts} Using ligand Field Theory. complete the a MO diagram of a complex with tetrahedral symmetry,
a. lid _r _a
b. i z .::: dX:.J I dlJ C ) c1Z: 'f:
c. e. -= dz.'2 , dX7 -j'2.I-~ = Px.{>y-P:! II ~ _~ - -.rt:'I. d·4
III ,....".' ~ n-} p - _ ~~~':' ". e.
I:. ~,.,_,,~-'~'~;:'~:,.,-?(_.:,-, ". i.~ :I f. -L 2