Answer Q40, 41, 42 showing detailly all explanations TYPE TWO QUESTIONSQuestions (40 - 45)DIRECTION: Select the letter of the INCORRECTresponse.40 Sc and ZnA) are d-block clementsB) are not transition elementsC) can form at least a complex ionD) formis ions with a partially filledd- subshell.Questions 46 - 78DIRECTIONS: Each group of questions befconsists of four lettered headings fallowed bya list of numbered questions. For eanumbered question, select the one headingwhich is most closely related to it. Enheading may be used once, more than onceor not at all.41. The ethanedioate ionA) is a polydentate ligandB) is a bidentate ligandC) has a coordination number of twoD) is not a chelating agent.Questions 46 - 50 concem the following figandeA) ethanedioateB) AmmoniaC) ethane-1, 2- diamineD) cyario42 For transition metals to form colouredcompounds or ionsA) the five d-orbitals should be degenerate 46 a neutral monodentate ligandB) An unpaired electron should be present 47. an anionic bidentate ligandin the five d-orbital.C) electrons should be able to jump fromone set of d-orbital to another.D) the frequency of light emitted should bein the visible region of theelectromagnetic spectrum.Select from A -D48. an anionic monodentate ligand49. a neutral bidentate ligand50. Which of the monodentate ligands wlldisplace the other from its aqueous complexion?43. In naming complex anions.A) the name of the ligand comes firstB) the suffix-ate follows the name of theQuesitons 51 -53 concern the followingtransition metals and ionsA) Zn* ionB) Chromium atomC) Fe" ionD) Titanium atom.metal.C) the names of ligands came in any orderif two or more of different types areWhich of them is51. Very strongly attracted to a magnetic field?52. Diamagnetic?53. Very weakly attracted to a magnetic fleld?present.DJ the metal takes up the latin name.44. 1.2-diaminoethaneA) is an anionic ligandB) is a bidendate ligand.C) can form chelate complexesD) form complexes thet show opticalQuestions 54-57The following are scme structural isomerismsexhibited by complex ions.A) Linkage isomerismB) Coordination isomerismC) Hydrate isomerismD) lonisation isomerismisomerism.45. Hexaaqua chormium(II) chlorideA) has four isomersB) has three isomers that differ in electricalconductivityC) produces three isomers in solution eachhaving a different colour.D) can exhibit optical isomerism.Select from A - D the type of isomerism exhibitedby the following complexes.54. Co(NH) BrSo,55. CrCi, 6H O56. [Co(NH), (NO.)CI,57 (Cr(NH),ICo(CN)Questions 58 - 61 relates to the followingcomplexes.A) PICL(NH,),B) [Ag(NH,)C) [CoCi (NH,)JD) [Cr(C,O)274

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Answer Q40, 41, 42 showing detailly all explanations TYPE TWO QUESTIONSQuestions (40 - 45)DIRECTION: Select the letter of the INCORRECTresponse.40 Sc and ZnA) are d-block clementsB) are not transition elementsC) can form at least a complex ionD) formis ions with a partially filledd- subshell.Questions 46 - 78DIRECTIONS: Each group of questions befconsists of four lettered headings fallowed bya list of numbered questions. For eanumbered question, select the one headingwhich is most closely related to it. Enheading may be used once, more than onceor not at all.41. The ethanedioate ionA) is a polydentate ligandB) is a bidentate ligandC) has a coordination number of twoD) is not a chelating agent.Questions 46 - 50 concem the following figandeA) ethanedioateB) AmmoniaC) ethane-1, 2- diamineD) cyario42 For transition metals to form colouredcompounds or ionsA) the five d-orbitals should be degenerate 46 a neutral monodentate ligandB) An unpaired electron should be present 47. an anionic bidentate ligandin the five d-orbital.C) electrons should be able to jump fromone set of d-orbital to another.D) the frequency of light emitted should bein the visible region of theelectromagnetic spectrum.Select from A -D48. an anionic monodentate ligand49. a neutral bidentate ligand50. Which of the monodentate ligands wlldisplace the other from its aqueous complexion?43. In naming complex anions.A) the name of the ligand comes firstB) the suffix-ate follows the name of theQuesitons 51 -53 concern the followingtransition metals and ionsA) Zn* ionB) Chromium atomC) Fe&#34; ionD) Titanium atom.metal.C) the names of ligands came in any orderif two or more of different types areWhich of them is51. Very strongly attracted to a magnetic field?52. Diamagnetic?53. Very weakly attracted to a magnetic fleld?present.DJ the metal takes up the latin name.44. 1.2-diaminoethaneA) is an anionic ligandB) is a bidendate ligand.C) can form chelate complexesD) form complexes thet show opticalQuestions 54-57The following are scme structural isomerismsexhibited by complex ions.A) Linkage isomerismB) Coordination isomerismC) Hydrate isomerismD) lonisation isomerismisomerism.45. Hexaaqua chormium(II) chlorideA) has four isomersB) has three isomers that differ in electricalconductivityC) produces three isomers in solution eachhaving a different colour.D) can exhibit optical isomerism.Select from A - D the type of isomerism exhibitedby the following complexes.54. Co(NH) BrSo,55. CrCi, 6H O56. [Co(NH), (NO.)CI,57 (Cr(NH),ICo(CN)Questions 58 - 61 relates to the followingcomplexes.A) PICL(NH,),B) [Ag(NH,)C) [CoCi (NH,)JD) [Cr(C,O)274

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Questions (40 - 45) DIRECTION: Select the letter of the INCORRECT response. 40. Sc and Zn A) are d-block clements B) are not transition elements C) can form at least a complex ion D) forms lons with a partially filled d- subshell.