Lecture_Notes_111109b

Lecture_Notes_111109b - y Low-Spin Case – strong field...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Isomerism y Draw structures for each of the following: { cis -dichlorobis(ethylenediamine)platinum(II) { trans- diaquabis(ethylenediamine)copper(II) ion
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Isomerism y Draw all geometrical and linkage isomers of Co(NH 3 ) 4 (NO 2 ) 2
Background image of page 2
Isomerism y Draw all geometrical isomers of Pt(CN) 2 Br 2 (H 2 O) 2 . Which of these isomers has an optical isomers? Draw any optical isomers.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Which of the following complex ions are chiral? [Fe(C2 O4 )3 ] 3 - [Co ( NH3) 4 e n ]3+ [Co(NH3)2(en)2]3+ [Cr( H2 O)4 C l2 ]+ Both 1 an d are c h ira l Both 2 an 4 are chi ra All are chiral 7% 12% 7% 2% 46% 18% 8% 1. [Fe(C 2 O 4 ) 3 ] 3- 2. [Co(NH 3 ) 4 en] 3+ 3. [Co(NH 3 ) 2 (en) 2 ] 3+ 4. [Cr(H 2 O) 4 Cl 2 ] + 5. Both 1 and 3 are chiral 6. Both 2 and 4 are chiral 7. All 4 are chiral
Background image of page 4
Localized Electron Model
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Crystal Field Model y Crystal Field Model – a model used to explain the magnetism and colors of coordination complexes through the splitting of d orbitals.
Background image of page 6
Crystal Field Model y Strong-Field Case – a large difference in the energy between the sets of d orbitals y Weak-Field Case – small difference in the energy between the sets of d orbitals
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 10
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 12
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: y Low-Spin Case – strong field case, smallest number of unpaired electrons y High-Spin Case – weak field case, largest number of unpaired electrons Spectrochemical Series y CN->NO 2->en>NH 3 >H 2 O>OH->F->Cl->Br->I-Spectrochemical Series Crystal Field Model y How many unpaired electrons are in the following complex ions? y Ru(NH 3 ) 6 2+ (low-spin case) Ni(H 2 O) 6 2+ V(en) 3 + Crystal Field Model y The complex ion Fe(CN) 6 3-is paramagnetic with one unpaired electron. The complex ion Fe(SCN) 6 3-has five unpaired electrons. Where does SCN-lie in the spectrochemical series relative to CN-? y Rank the following complex ions in order of increasing wavelength of light absorbed. [Co(H 2 O) 6 ] 3+ , [Co(CN) 6 ] 3-, [CoI 6 ] 3-, [Co(en) 3 ] 3+ Answer to last question y [Co(CN) 6 ] 3-< [Co(en) 3 ] 3+ < [Co(H 2 O) 6 ] 3+ < [CoI 6 ] 3-...
View Full Document

This note was uploaded on 01/06/2011 for the course CHEM 105BLG at USC.

Page1 / 12

Lecture_Notes_111109b - y Low-Spin Case – strong field...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online