![4. a. List THREE (3) properties that characterize a d-block metal. [3 marks] b. Consider the following complexes: [Mn(CN). [C](http://img.homeworklib.com/questions/6f9febf0-73af-11ea-8e1f-790e6bc5dd50.png?x-oss-process=image/resize,w_560)
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![mnat - ds () Crystal field Theory : (No. of unpaired [mn (cada ] 4- Cu = strong Ligond ds 111 11 1 the unpaired electron is t](http://img.homeworklib.com/questions/70cfd090-73af-11ea-9221-49fc937cb2bb.png?x-oss-process=image/resize,w_560)
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4. a. List THREE (3) properties that characterize a d-block metal. [3 marks] b. Consider the...
(b) Determine the oxidation state of the metal, the d electron configuration, the number of unpaired electrons and the ligand field stabilisation energy for the following complexes: (i) [Co(NH3)5Br]2+...
(b) Determine the oxidation state of the metal, the d electron configuration, the number of unpaired electrons and the ligand field stabilisation energy for the following complexes: (i) [Co(NH3)5Br]2+ (ii) [MnO4]- (iii) [Fe(CN)6]3- (iv) [Cu(H2O)6]2+
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not...
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not considered a transition metal? 3. Write the electronic configuration of the following ions; V". Cr, Mn, Fe, Ni, Ti" 4. What are basic assumptions of Crystal Field Theory? 5. Compounds containing the Scion are colorless whereas those containing Ti* ion are colored. Explain. 6. Predict the number of unpaired electrons in [Cr(en) ions. 7. What are spectrochemical series? 8. The compound hexaminecobalt(III) chloride is...
4. Consider the following complexes. Na, [Fe(ox),] [Cr(H2O) (NHJ) SO, [Pt(en)(ONO)CI] Write the coordination sphere for...
4. Consider the following complexes. Na, [Fe(ox),] [Cr(H2O) (NHJ) SO, [Pt(en)(ONO)CI] Write the coordination sphere for the complexes I, II and III. [3 marks] in each of the Determine the oxidation state of the central atom coordination complex [3 marks] Determine the coordination number in each of the complexes. [3 marks) Name each of the complex using IUPAC system [6 marks) Draw the molecular geometry of complex II. [2 marks] Using Crystal Field Theory, draw the energy diagram of the...
SYNTHESIS OF TRANSITION METAL COORDINATION COM 3. Ethylenediamine ("en" in short-hand notation) has two amine group...
SYNTHESIS OF TRANSITION METAL COORDINATION COM 3. Ethylenediamine ("en" in short-hand notation) has two amine groups, one at each end of a two-carbon chain, NH,CH,CH,NH. Each nitrogen in NH,CH,CH_NH, has a lone pair that coordinates to the metal. Thus, one NH CH CH NH, ligand, takes up two coordina- tion sites. a) Draw and label the structures of the cis and trans isomers of Co(en),C1,CI. b) What is the coordination number for (Coſen),C1,CI? c) Determine the oxidation state of the...
In the complex ion [ML6]n+, Mn+ has five d electrons and L is a strong field...
In the complex ion [ML6]n+, Mn+ has five d electrons and L is a strong field ligand. According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons? A. 0 B. 1 C. 2 D. 3 E. 5 Which one of these complex ions would absorb light with the shortest wavelength? A. [Co(H2O)6]2+ B. [Co(NH3)6]2+ C. [CoF6]4– D. [Co(CN)6]4– E. [Co(en)6]2+ The ion [Co(NH3)6]2+ is octahedral and high spin. This complex is (4pts)...
Date: 1117 mework 10 - Ch. 21-23 A) CN B)NO c)r D) CO Name: E ) en 24. Place the ligands, CN-, Br., H2O, and OH-in o...
Date: 1117 mework 10 - Ch. 21-23 A) CN B)NO c)r D) CO Name: E ) en 24. Place the ligands, CN-, Br., H2O, and OH-in order from least to greatest according ability to split the d orbital energy level. A) CN-, OH, H2O, Br- C) Br,H20, CN-, OH- B) Br., OH, H2O, CN- D) None of the above 25. The charge on the central metal ion in (Cr(NH3)(CO3)2+ is A)-1. B) 0. C) 1. D) 3. E) 5 26....
For each of the transition metal ions : (a) [Fe(H2O)4 ]3+ (b) [Mn(H2O)4 Cl2 ]+ (c)...
For each of the transition metal ions : (a) [Fe(H2O)4 ]3+ (b) [Mn(H2O)4 Cl2 ]+ (c) [Re(H2O)4 Cl2 ]+ (d) [Co(NH3)2 (en)2]2+ (i) Draw the structure of each transition metal complex. (ii) Determine the number of d electrons (iii) Draw the arrangement of d electrons in the ground state (iv) Calculate the LFSE (in units of deltao or deltaT ) for each complex
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not considered a transition metal? 3. Write the electronic configuration of the following ions; V". Cr, Mn, Fe, Ni, Ti" 4. What are basic assumptions of Crystal Field Theory? 5. Compounds containing the Scion are colorless whereas those containing Ti* ion are colored. Explain. 6. Predict the number of unpaired electrons in [Cr(en) ions. 7. What are spectrochemical series? 8. The compound hexaminecobalt(III) chloride is...
4. Consider the following complexes. Na, [Fe(ox),] [Cr(H2O) (NHJ) SO, [Pt(en)(ONO)CI] Write the coordination sphere for the complexes I, II and III. [3 marks] in each of the Determine the oxidation state of the central atom coordination complex [3 marks] Determine the coordination number in each of the complexes. [3 marks) Name each of the complex using IUPAC system [6 marks) Draw the molecular geometry of complex II. [2 marks] Using Crystal Field Theory, draw the energy diagram of the...
SYNTHESIS OF TRANSITION METAL COORDINATION COM 3. Ethylenediamine ("en" in short-hand notation) has two amine groups, one at each end of a two-carbon chain, NH,CH,CH,NH. Each nitrogen in NH,CH,CH_NH, has a lone pair that coordinates to the metal. Thus, one NH CH CH NH, ligand, takes up two coordina- tion sites. a) Draw and label the structures of the cis and trans isomers of Co(en),C1,CI. b) What is the coordination number for (Coſen),C1,CI? c) Determine the oxidation state of the...
Date: 1117 mework 10 - Ch. 21-23 A) CN B)NO c)r D) CO Name: E ) en 24. Place the ligands, CN-, Br., H2O, and OH-in order from least to greatest according ability to split the d orbital energy level. A) CN-, OH, H2O, Br- C) Br,H20, CN-, OH- B) Br., OH, H2O, CN- D) None of the above 25. The charge on the central metal ion in (Cr(NH3)(CO3)2+ is A)-1. B) 0. C) 1. D) 3. E) 5 26....
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