1.A complex ion is formed by a Co 3+ ion which is linked up to one carbonate ion

Question

1.A complex ion is formed by a Co3+ ion which is linked up to one carbonate ion and four ammonia molecules. The formula of the compound is properly written as Select one: a. Na[Co(NH3)4CO3] b. [Co(NH3)4CO3]CO3 c. [Co(NH3)4CO3]Cl2 d. [Co(NH3)4CO3]2SO4
2. How many d electrons are there on the iron atom in Na3[Fe(CN)6]? Select one: a. 1 b. 3 c. 6 d. 5
3. What is the coordination number of cobalt in CoCl35NH3 ? Select one: a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl 1.A complex ion is formed by a Co3+ ion which is linked up to one carbonate ion and four ammonia molecules. The formula of the compound is properly written as 1.A complex ion is formed by a Co3+ ion which is linked up to one carbonate ion and four ammonia molecules. The formula of the compound is properly written as Select one: a. Na[Co(NH3)4CO3] b. [Co(NH3)4CO3]CO3 c. [Co(NH3)4CO3]Cl2 d. [Co(NH3)4CO3]2SO4
2. How many d electrons are there on the iron atom in Na3[Fe(CN)6]? Select one: a. 1 b. 3 c. 6 d. 5
3. What is the coordination number of cobalt in CoCl35NH3 ? Select one: a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl Select one: a. Na[Co(NH3)4CO3] b. [Co(NH3)4CO3]CO3 c. [Co(NH3)4CO3]Cl2 d. [Co(NH3)4CO3]2SO4
2. How many d electrons are there on the iron atom in Na3[Fe(CN)6]? Select one: a. 1 b. 3 c. 6 d. 5
3. What is the coordination number of cobalt in CoCl35NH3 ? Select one: a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl a. Na[Co(NH3)4CO3] b. [Co(NH3)4CO3]CO3 c. [Co(NH3)4CO3]Cl2 d. [Co(NH3)4CO3]2SO4
2. How many d electrons are there on the iron atom in Na3[Fe(CN)6]? Select one: a. 1 b. 3 c. 6 d. 5
3. What is the coordination number of cobalt in CoCl35NH3 ? Select one: a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl Select one: a. 1 b. 3 c. 6 d. 5
3. What is the coordination number of cobalt in CoCl35NH3 ? Select one: a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl a. 1 b. 3 c. 6 d. 5
3. What is the coordination number of cobalt in CoCl35NH3 ? Select one: a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl Select one: a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl a. 8 b. 2 c. 4 d. 6 e. 3
4. Which of the following statements regarding chelating ligands and their complexes is not true? Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl Select one: a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl a. Formation constants for complexes of bidentate ligands are much greater than chemically similar monodentate ligands. This is know as the chelate effect. b. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured by entropy because four reactant particles form seven product particles in this case, whereas with NH3 (aq) as the ligand, seven reactant particles form seven product particles. c. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because only three ethylenediamine molecules need to find each ion, whereas with NH3 (aq) as the ligand, six reactant particles must find each ion. d. The reaction of Ni(H2O)62+ (aq) with 3 en (aq) to give Ni(en)32+ (aq) and 6 H2O (liq)is favoured because once one end of the ethylenediamine molecule has attached to the ion, the other end is necessarily close enough to react quickly, whereas with NH3 (aq) as the ligand, the next reactant ligand may still be far away from the ion. e. EDTA (ethylenediaminetetra-acetic acid tetra-anion) is a tetradentate ligand.
5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl 5. How is the compound CoCl3.4NH3 written using Werner's formulation? Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl Select one: a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl a. [Co(NH3)4Cl]Cl2 b. [Co(NH3)4]Cl3 c. [Co(NH3)3Cl3]NH3 d. [Co(NH3)4Cl2]Cl

Explanation / Answer

1.d

2.5

3.6

4.TFFTT

5.d

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