Select the correct HIGH SPIN octahedral crystal field splitting diagram for a d4 system Option A Option B ___ ___ (e ) g 2 2 2 dx -y dz ___ ___ (e ) g 2 2 2 dx -y dz ___ ___ ___ (t ) 2g dxy dxz dyz ___ ___ ___ (t ) 2g dxy dxz dyz Option C ___ ___ dx2-y2 dz2 (eg) ___ ___ ___ (t ) 2g dxy dxz dyz 1. Option A 2. Option B 3. Option C 1 Select the correct HIGH SPIN octahedral crystal field splitting diagram for a d4 system Option A Option B ___ ___ (e ) g 2 2 2 dx -y dz ___ ___ (e ) g 2 2 2 dx -y dz ___ ___ ___ (t ) 2g dxy dxz dyz ___ ___ ___ (t ) 2g dxy dxz dyz 13% 85% 2% Option C ___ ___ dx2-y2 dz2 (eg) ___ ___ ___ (t ) 2g dxy dxz dyz 1. Option A 2. Option B 3. Option C 2 Which of the following will have filled d-orbitals? 1. 2. 3. 4. 5. 6. 7. 8. 9. Ni2+ Pd2+ Cu2+ Au2+ Zn2+ Cd+2 1 and 2 3 and 4 5 and 6 3 Which of the following will have filled d-orbitals? 39% 1. 2. 3. 4. 5. 6. 7. 8. 9. Ni2+ Pd2+ Cu2+ Au2+ Zn2+ Cd+2 1 and 2 3 and 4 5 and 6 19% 18% 8% 7% 3% 2% 1. 3% 1% 2. 3. 4. 5. 6. 7. 8. 9. 4 Select the correct tetrahedral crystal field splitting diagram for Cr3+, including correct orbital labels. Option A Option B Option C ___ ___ ___ (t ) 2 dxy dxz dyz ___ ___ ___ (t ) 2 dxy dxz dyz ___ ___ ___ (t ) 2 2 2 2 dx -y dz dyz ___ ___ (e) dx2-y2 dz2 ___ ___ (e) dx2-y2 dz2 ___ ___ dxy dxz (e) 1. Option A 2. Option B 3. Option C 5 Select the correct tetrahedral crystal field splitting diagram for Cr3+, including correct orbital labels. Option A Option B Option C ___ ___ ___ (t ) 2 dxy dxz dyz ___ ___ ___ (t ) 2 dxy dxz dyz ___ ___ ___ (t ) 2 2 2 2 dx -y dz dyz ___ ___ (e) dx2-y2 dz2 ___ ___ (e) dx2-y2 dz2 8% 85% 6% ___ ___ dxy dxz (e) 1. Option A 2. Option B 3. Option C 6 For [CrCl6]3- the wavelength of most intensely absorbed light is 740 nm, predicted the color of complex? 1. 2. 3. 4. 5. 6. violet | l 400nm Red Green Blue Yellow Orange Violet blue | 430nm green | 490nm yellow | 560nm | 580nm orange | 620nm red | 800nm 7 For [CrCl6]3- the wavelength of most intensely absorbed light is 740 nm, predicted the color of complex? 1. 2. 3. 4. 5. 6. 9% 73% 7% 0% 2% 9% violet | l 400nm Red Green Blue Yellow Orange Violet blue | 430nm green | 490nm yellow | 560nm | 580nm orange | 620nm red | 800nm 8 Which of the following would you expect to be true for the comparison of d orbital energy between the square planar system and the square pyramidal system? 1. dz2 is destabilized for the square pyramidal case compared to square planar. 2. dxz and dyz are destablilized for the square pyramidal case compared to square planar. 3. dx2-y2 and dxz are degenerate for square pyramidal. 4. a and b are true. 5. All of the above are true. 9 Which of the following would you expect to be true for the comparison of d orbital energy between the square planar system and the square pyramidal system? 1. dz2 is destabilized for the square pyramidal 16% case compared to square planar. 2. dxz and dyz are destablilized for the square 11% pyramidal case compared to square planar. 3. dx2-y2 and dxz are degenerate for square 4% pyramidal. 56% 4. a and b are true. 5. All of the above are true. 13% 10