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3. For the complex [Co(NHs) enl21SOs identify: (a) The denticity of the ligand (en) (b) 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)...
B ligand An ionic species consisting of a metal ion bonded to one or more Lewis...
B ligand An ionic species consisting of a metal ion bonded to one or more Lewis bases A covalent bond formed when one anion or molecule donates a pair of electrons to another ion or molecule c) complex ion The Roman numeral in the chemical formula that follows the element symbol for a transition element oxidation number A Lewis base bonded to the central metal ion of a complexion ion F coordination base
3. For each of these following complexes: Hexaaquacobalt(III), Trioxalatocobaltate(III), Triglycinatocobaltate(III),...
3. For each of these following complexes: Hexaaquacobalt(III), Trioxalatocobaltate(III), Triglycinatocobaltate(III), Tricarbonatocobaltate(III), and Tris(1,10-phenanthroline)cobalt(III).... Write out the chemical formula Identify the coordination number of the metal ion Identify whether the ligand is monodentate or polydentate Does the complex form cis-trans isomers? Does the complex form enantiomers? 4. In each of the complexes mentioned, cobalt has an oxidation state of +3. How many d electrons does Co(III) have? 5. Draw the Crystal Field splitting diagram for the Co(III) complex assuming it is...
6. If [Co(SCN)6]}- is a low-spin complex, which of the following statements is false? A) [Co(H20)6]3+...
6. If [Co(SCN)6]}- is a low-spin complex, which of the following statements is false? A) [Co(H20)6]3+ must be high-spin. B) [CO(NH3).]3+ must be low-spin. C) [Co(en)3]3+ must have no unpaired electrons. D) [CO(OH).]3- could have 4 unpaired electrons.
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....
oct Original Color (M2+ H20) Complex Color (M2+/ Ligand) de calidad superior de haute qualité CI-...
oct Original Color (M2+ H20) Complex Color (M2+/ Ligand) de calidad superior de haute qualité CI- Complex ion Formula Effect of H20 Cu2+ Complex ions: [Cucl.]2- changed BLUE ZEHIO NH3 dark en BLUE SCN- green Ni2+ Complex ions: CI- NH3 GREEN Ligand Effect of OH- green BLUE no change. bue I (NH) no change. Changed to (percip). cloudy/lignt bowe dariple ese (Haiche, no change. no change BLUE line neon [Cursen) i no change. Shangcaute changed to peras) Ligand cloudy out...
For (NH_4)_2[CoCl_4]: a. Identify the complex ion b. What is the central metal of the complex?...
For (NH_4)_2[CoCl_4]: a. Identify the complex ion b. What is the central metal of the complex? c. Identify the ligand(s)? d. What is the coordination number on the central metal? e. What is the oxidation state of the central metal? f. What is (are) the counter ion(s)? g. Name the compound.
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book...
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book or in the web for a reaction to form a complex ion, indicate which is the Lewis acid and which is the Lewis base. An example of your answer is this: Ag (aq) + 2NH, (aq) - Ag(NH),(aq) Lewis acid Lewis base 3.- Using the rules of nomenclature name the complex you have proposed in question 2 4.- Indicate the coordination number and geometry...
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...
1. Determine the following for the complex; [Cr(CI),(en),](NO), Coordination number: Oxidation number of the metal: (Show...
1. Determine the following for the complex; [Cr(CI),(en),](NO), Coordination number: Oxidation number of the metal: (Show your work) number of d electrons on the metal: 2. An aqueous solution of a metal complex absorbs light at 420 nm. What is the color of the solution? What is the energy of the electron transition? (Show your work)
B ligand An ionic species consisting of a metal ion bonded to one or more Lewis bases A covalent bond formed when one anion or molecule donates a pair of electrons to another ion or molecule c) complex ion The Roman numeral in the chemical formula that follows the element symbol for a transition element oxidation number A Lewis base bonded to the central metal ion of a complexion ion F coordination base
6. If [Co(SCN)6]}- is a low-spin complex, which of the following statements is false? A) [Co(H20)6]3+ must be high-spin. B) [CO(NH3).]3+ must be low-spin. C) [Co(en)3]3+ must have no unpaired electrons. D) [CO(OH).]3- could have 4 unpaired electrons.
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....
oct Original Color (M2+ H20) Complex Color (M2+/ Ligand) de calidad superior de haute qualité CI- Complex ion Formula Effect of H20 Cu2+ Complex ions: [Cucl.]2- changed BLUE ZEHIO NH3 dark en BLUE SCN- green Ni2+ Complex ions: CI- NH3 GREEN Ligand Effect of OH- green BLUE no change. bue I (NH) no change. Changed to (percip). cloudy/lignt bowe dariple ese (Haiche, no change. no change BLUE line neon [Cursen) i no change. Shangcaute changed to peras) Ligand cloudy out...
For (NH_4)_2[CoCl_4]: a. Identify the complex ion b. What is the central metal of the complex? c. Identify the ligand(s)? d. What is the coordination number on the central metal? e. What is the oxidation state of the central metal? f. What is (are) the counter ion(s)? g. Name the compound.
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book or in the web for a reaction to form a complex ion, indicate which is the Lewis acid and which is the Lewis base. An example of your answer is this: Ag (aq) + 2NH, (aq) - Ag(NH),(aq) Lewis acid Lewis base 3.- Using the rules of nomenclature name the complex you have proposed in question 2 4.- Indicate the coordination number and geometry...
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...
1. Determine the following for the complex; [Cr(CI),(en),](NO), Coordination number: Oxidation number of the metal: (Show your work) number of d electrons on the metal: 2. An aqueous solution of a metal complex absorbs light at 420 nm. What is the color of the solution? What is the energy of the electron transition? (Show your work)
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