MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
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1 Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Choose the polydentate ligand from the substances below. 1) A) oxalate ion B) nitrite ion C) EDTA D) hydroxide ion E) carbon monoxide 2) What type of geometry (according to valence bond theory) does Fe exhibit in the complex ion, [Fe(H2O)4(Cl)2]+? A) tetrahedral B) square planar C) trigonal planar D) octahedral E) linear 2) 3) Choose the electron configuration for Nb3+. 3) A) [Kr]5s2 B) [Kr]5s24d2 C) [Kr]4d2 D) [Kr]5s24d4 E) [Ar]4s23d104p6 4) Choose the electron configuration for Cr3+. 4) A) [Ar]4s23d1 B) [Ar]3d3 C) [Ar]4s13d2 D) [Ne]3s23p6 E) [Ar]4s23d7 5) Identify the transition metal that is used infat and carbohydrate synthesis in the human body. 5) A) manganese B) chromium C) potassium D) copper E) zinc 1
2 6) Which of the following compounds can exhibit fac-mer isomerism? 6) A) [Fe(CO)3(NH3)3]3+ B) [Cu(CO)5Br]+ C) [Fe(NH3)4(H2O)2]2+ D) [Fe(CO)5ONO]2+ E) [Cr(H2O)4Br2]+ 7) Identify the ion that is responsible for the green color in emeralds. 7) A) Cr3+ B) Cr7+ C) Cr6+ D) Cr4+ E) Cr5+ 8) Choose the electron configuration for Fe3+. 8) A) [Ar]3d5 B) [Ar]4s23d9 C) [Ar]4s13d4 D) [Ar]4s23d6 E) [Ar]4s23d3 9) Choose the electron configuration for Ru7+. 9) A) [Kr]5s14d3 B) [Kr]5s24d6 C) [Kr]4d3 D) [Kr]5s24d2 E) [Kr]5s24d1 10) Identify the shape of the hemoglobin complex. 10) A) heptadral B) tetrahedral C) hexadral D) octahedral E) pentadral 11) How many unpaired electrons would you expect for the complex ion: [FeCl6]4-? 11) A) 3 B) 2 C) 0 D) 6 E) 4 12) Determine the chemical formula for the compound, diaquadicarbonylzinc tetrabromopalladate (IV). A) [Pd(H2O)2][Zn(CO)2]Br4 B) [PdZn(H2O)2(CO)2]Br4 C) [Zn(H2O)2(CO)2][PdBr4] D) [Zn(H2O)2(CO)2]2[PdBr4] E) [Pd(H2O)2]2[Zn(CO)2]3Br4 12) 2
3 13) Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers? A) [Cu(CO)5Br]Cl and [Cu(CO)5Cl]Br B) [Fe(CO)5NO2]2+ and [Fe(CO)5ONO]2+ C) [MnCl3Br]2- and [MnClBr3]2- D) [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)2(H2O)4]Br2 E) [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)4(H2O)2]Cl2 13) 14) Choose the bidentate ligand from the substances below. 14) A) ammonia B) EDTA C) carbon monoxide D) ethylenediamine E) chloride ion 15) Identify the transition metal that is the coordinated metal in chlorophyll. 15) A) manganese B) iron C) silver D) magnesium E) selenium 16) Choose the electron configuration for V3+. 16) A) [Ar]3d2 B) [Ar]4s23d2 C) [Ar]4s2 D) [Ne]3s23p6 E) [Ar]4s23d4 17) What is the highest possible oxidation state for manganese? 17) A) +6 B) +5 C) +7 D) +2 18) How many d electrons are there in W O4 2-? 18) A) 0 B) 1 C) 2 D) 3 19) Which ion would you expect to have the largest crystal field splitting? 19) A) [Rh(CN)6]3- B) [Rh(CN)6]4- C) [Rh(H2O)6]2+ D) [Rh(H2O)6]3+ 20) Which of the following species is diamagnetic? 20) A) a high-spin octahedral Cr2+ complex B) an isolated, gas-phase Cr3+ ion C) a low-spin octahedral Co3+ complex D) an isolated, gas-phase Cu2+ ion 21) Which of the following can function as a bidentate ligand? 21) A) C2O4 2- B) N H3 C) CO D) OH - 3
4 22) Name the following: [Pt(H2O)4F2]Br2 22) A) tetraaquadibromodifluoroplatinate B) platinum (II) dibromodifluorotetrahydride C) tetraaquadifluoroplatinum(iv) bromide D) platinum(ii)bromide E) platinum(iii)tetraaquadifluorobromide 23) Determine the chemical formula for the compound, diamminetetraaquairon(ii)chloride. 23) A) [Fe(NH3)2(H2O)4Cl] B) [Fe(H2O)4][(NH3)2Cl] C) [Fe(NH3)2][(H2O)4Cl] D) [Fe(NH3)2(H2O)4]Cl3 E) [Fe(NH3)2(H2O)4]Cl2 24) What type of geometry (according to valence bond theory) does Pt exhibit in the complex ion, [Pt(NH3)4]2+? A) trigonal planar B) tetrahedral C) square planar D) square pyramidal E) see-saw 24) 25) Name the following: Fe[AlF6] 25) A) iron(ii) hexafluoroaluminum B) ironaluminumhexafluoride C) iron (III) hexafluoroaluminate D) iron(i) aluminumhexafluoride E) aluminumhexafluoroferrate 26) How many unpaired electrons would you expect for the complex ion: [Co(NH3 )6]4+? 26) A) 3 B) 0 C) 5 D) 2 E) 1 27) Determine the chemical formula for the compound, tetracarbonylplatinum(iv) chloride. 27) A) [Pt(CO)4]Cl2 B) [Pt(CO)4]Cl4 C) [Pt(CO)4Cl4]2- D) [Pt(CO)4Cl4]4- E) [PtCl4](CO)4 28) How many unpaired electrons would you expect for the complex ion: [Cr(CN)6]4-? 28) A) 1 B) 5 C) 2 D) 3 E) 0 4
5 29) Name the following: [Fe(H2O)4Br2]Cl 29) A) dibromotetrahydroiron(ii)chloride B) iron(ii)dibromotetraquachloride C) dibromotetrahydroironchloride D) tetraaquadibromoiron(iii) chloride E) tetraaquadibromoiron(ii) chloride 30) Identify the ion that is responsible for the red in garnet and the yellow-green of peridot. 30) A) Cr3+ B) Fe2+ C) Cr2+ D) Cu+ E) Cu2+ 31) Name the following: [Ni(NH3)3(H2O)3]Cl2 31) A) nickel(ii)trihydrotriamminechloride B) nickel(iii)chloride C) nickel(i)triamminetrihydrochloride D) dichloronickel(ii)triamminetrihydride E) triamminetriaquanickel(ii)chloride 32) What type of hybridization (according to valence bond theory) does Fe exhibit in the complex ion, [Fe(H2O)4(Br)2]+? A) d2sp B) sp3 C) dsp3 D) d2sp3 E) d2sp2 32) 33) Determine the chemical formula for the compound, hexaammineiron(iii) hexacyanoferrate(iii). 33) A) [Fe(NH3)6][Fe(CN)6]2 B) [Fe2(NH3)3(CN)3]6+ C) [Fe(NH3)6]3[Fe(CN)6]2 D) [Fe(NH3)6][Fe(CN)6] E) [Fe2(NH3)6(CN)6]3+ 34) Identify the geometry of [PdI4]2-. 34) A) tetrahedral B) trigonal planar C) linear D) octahedral E) square planar 35) What is the ground-state electron configuration for Cr3+ (Z = 24)? 35) A) [Ar] 4s2 3d1 B) [Ar] 4s1 3d2 C) [Ar] 3d3 D) [Ar] 4s2 3d7 36) Determine the chemical formula for the compound, potassiumtrisethylenediamine chromate(iii). 36) A) [KCr(NH2CH2CH2NH2)3]3+ B) [K(NH2CH2CH2NH2)3]Cr3+ C) K2[Cr(NH2CH2CH2NH2)4] D) K3[Cr(NH2CH2CH2NH2)3] E) [Cr(NH2CH2CH2NH2)2]K2 5
6 37) Identify the transition metal that is used in hemoglobin synthesis in the human body. 37) A) manganese B) zinc C) chromium D) copper E) potassium 38) Identify the geometry of [Fe(H2O)6]3+. 38) A) tetrahedral B) linear C) square planar D) trigonal planar E) octahedral 39) Which of the following species has the electron configuration [Ar]3d6? 39) A) Co3+ B) Fe3+ C) Ni3+ D) Cr 40) Which of the following compounds can exhibit cis-trans isomerism? 40) A) [Fe(NH3)6]2+ B) [Cr(H2O)4Br2]+ C) [Cu(CO)5Br]+ D) [Fe(CO)5ONO]2+ E) [Fe(CO)3(NH3)3]3+ 41) Name the following: [Fe(CO)6][Ag(CN)2]2 41) A) hexacarbonyliron(iii) dicyanosilvate B) hexacarbonyliron(ii) dicyanoargentate C) iron(ii)hexacarbonyl silvercyanide D) iron(iii)hexacarbonylsilverdicyanide E) iron(ii) carbonyl silvercyanide 42) What type of hybridization (according to valence bond theory) does Pt exhibit in the complex ion, [Pt(NH3)4]2+? A) sp B) dsp2 C) d2sp3 D) dsp3 E) d2sp 42) 6
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