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Study Resources (Chemistry)

81) What is the common name for the simplest ketone, propanone? A) acetal B) acetone C) carbanone D) formalin 82) Which of the following molecules is the most highly oxidized? A) acetaldehyde B) acetic acid C) ethanol D) 1, 2-ethanediol 83) Which of the following does not contain a carbonyl group? A) an alcohol B) an aldehyde C) an amide  D).
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71) "Rubbing alcohol" is the common name for A) methanol. B) ethanol. C) 2-propanol. D) 1, 2-ethanediol. 72) "Glycerol" is the common name for A) ethanol. B) 2-propanol. C) 1, 2-ethanediol. D) 1, 2, 3-propanetriol. 73) Which of the following compounds is most soluble in water? A) decanol B) dimethyl ether C) ethane D) ethanol 74) How many ether isomers have the formula C4H10O? A).
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The third transition series metals are shown below.     122) Which has the highest melting point? A) Lu B) W C) Os D) Hg 123) Which has the lowest melting point? A) Lu B) W C) Os D) Hg 124) Which has the largest atomic radius? A) Lu B) W C) Os D) Hg 125) Which has the smallest atomic radius? A) Lu B) W C) Os D) Hg 126) Which has.
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71) Which complex is optically active? A) [CoCl4en]2- B) trans-[CrCl2(en)2]+ C) cis-[CrCl2(en)2]+ D) [PtCl2(NH3)2] 72) Which complex cannot exist as enantiomers? A) [CoCl2(H2O)4]+ B) [Co(en)3]3+ C) cis-[CrCl2(C2O4)2]+ D) [Fe(C2O4)2(en)]- 73) Which definition best describes isomers that are non-superimposable mirror images of each other that rotate plane polarized light to the same degree but in opposite directions? A) diastereoisomers B) enantiomers C) linkage isomers D).
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The following pictures show the electron populations of the composite s-d bands for four different transition metals.     101) Which metal has the highest melting point? A) metal (1) B) metal (2) C) metal (3) D) metal (4) 102) Which metal has the lowest melting point? A) metal (1) B) metal (2) C) metal (3) D) metal (4) 103) Which is.
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71) Which process is used in the fabrication of ceramics? A) electrolysis B) reduction C) roasting D) sintering 72) Sintering is A) a filtration process through a molecular sieve. B) the process of heating particles of a powder below the melting point so that they fuse together. C) the process of rapid cooling of a material to yield.
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21) The functional groups in the molecule below are OO HCCH2COCH3 A) alkane, aldehyde, and ester. B) alkane, aldehyde, ketone, and ether. C) alkane, carboxylic acid, and ester. D) alkane, ketone, and ester. 22) Which statement below is false concerning nomenclature rules for alkanes? A) Carbon atoms are numbered starting with the atom farthest from the branching point. B).
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22.1   Multiple Choice Questions 1) When more than 3600 known nuclides are plotted on a neutron/proton grid they make up a group called A) the "island of stability." B) the "peninsula of nuclear stability." C) the "sea of instability." D) none of these 2) Which is the only element that contains more protons than neutrons.
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61) Which unit of radiation is frequently used in medicine to describe the amount of tissue damage caused by a radioactive substance? A) becquerel B) curie C) rad D) rem 62) The effects of ionizing radiation depend on A) length of exposure to radiation. B) location of source (internal or external). C) type and energy of radiation. D) All.
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31) Which of the following is not an advantage of fusion reactions over fission reactions for power generation? A) cheap and plentiful fuel B) ease of reaction initiation C) Fusion products are non-polluting D) Fusion products are nonradioactive 32) Relative to the amount of energy released in a typical chemical reaction, the amount of energy.
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21.2   Algorithmic Questions 1) Which substance is the best conductor of electricity? A) arsenic B) boron C) silver D) tellurium 2) Which one of the following metals is expected to have the highest melting point? A) La B) Nb C) Hg D) Pd 3) Which element has the smallest energy band gap? A) B B) I C) K D) S 4) Which one of the following.
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22.2   Algorithmic Questions 1) Which of the following elements would be expected to be particularly stable? A) O B) N C) C D) B 2) Which of the following nuclides is most likely to undergo beta decay? A) Hg B) Hg C) Hg D) Hg 3) Which nuclide below is most likely to decay by electron capture? A) W B) W C).
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51) Which one of the following instruments would be the least suitable for detecting particles given off in radioactive decay? A) electron microscope B) Geiger counter C) photographic film D) scintillation counter 52) Which one of the following is most penetrating? A) alpha particles B) beta particles C) gamma rays D) positrons 53) A becquerel is A) the amount of sample.
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The second transition series metals are shown below.     116) Which has the highest melting point? A) Y B) Mo C) Tc D) Cd 117) Which has the lowest melting point? A) Y B) Mo C) Tc D) Cd 118) Which has the largest atomic radius? A) Y B) Mo C) Rh D) Cd 119) Which has the smallest atomic radius? A) Y B) Mo C) Rh D) Cd 120) Which has.
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51) How would one classify a germanium crystal doped with arsenic? A) conductor B) n-type semiconductor C) p-type semiconductor D) insulator 52) How would one classify copper mixed with tin? A) conductor B) n-type semiconductor C) p-type semiconductor D) insulator 53) How would one classify a silicon crystal doped with indium? A) conductor B) n-type semiconductor C) p-type semiconductor D) insulator 54) Which one.
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20.3   Short Answer Questions 1) Transition elements are located in the ________-block of the periodic table. 2) Using shorthand notation, the electron configuration of Co3+ is ________. 3) The small sizes of third transition series atoms is referred to as the ________ contraction. 4) The oxidation state of chromium in Cr2O72– is ________. 5) The.
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41) How many geometrical and structural isomers are there of butene? A) 3 B) 4 C) 5 D) 6 42) Which compound will have the largest dipole moment? A) cis-1, 2-dichloroethylene B) trans-1, 2-dichloroethylene C) tetrabromoethylene D) tetrachloroethylene 43) Which of the following is not a geometric (cis-trans) isomer? A) 1, 1-dichloro-1-butene B) 1, 2-dichloro-1-butene C) 2-butene D) 2-chloro-2-butene 44) Which of the following is.
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61) The complex cis-[CoCl(NH3)(NH2CH2CH2NH2)2]2+ was resolved into optical isomers in 1911 by Alfred Werner, demonstrating the octahedral geometry of the ion. Name this complex ion. A) cis-chloroammineethylenediaminecobalt(II) ion B) cis-amminechloroethylenediaminecobalt(III) ion C) cis-amminechlorobis(ethylenediamine)cobalt(II) ion D) cis-amminechlorobis(ethylenediamine)cobalt(III) ion 62) What is the name of the complex [Ni(en)3]3[Cr(CN)6]2? A) ethylenediaminenickel(III) hexacyanochromate(II) B) tris(ethylenediamine)nickel(III) hexacyanochromate(II) C) tris(ethylenediamine)nickel(II) hexacyanochromate(III) D) bis(ethylenediamine)nickel(II) hexacyanochromate(III) 63) What.
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20.2   Algorithmic Questions 1) What is the ground-state electron configuration for the element chromium (Z = 24)? A) [Ne] 4s2 3d4 B) [Ar] 4s2 3d4 C) [Ar] 4s1 3d5 D) [Ar] 3d6 2) Which of the following elements is an inner transition metal? A) Eu B) Fe C) Ru D) Sc 3) What is the ground-state electron configuration.
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21.1   Multiple Choice Questions 1) What are the most abundant minerals in the earth's crust? A) aluminosilicates and silicates B) chlorides and iodides C) nitrates and phosphates D) oxides and sulfides 2) What minerals are important commercial sources of metals? A) aluminosilicates and silicates B) chlorides and iodides C) nitrates and phosphates D) oxides and sulfides 3) What is a principal.
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23.1   Multiple Choice Questions 1) Which of the following statements about carbon is false? A) Carbon compounds have covalent bonds. B) Carbon compounds can have multiple bonds. C) Carbon is tetravalent. D) Carbon uses sp2 hybrids to form tetrahedral structures. 2) The most important characteristic of carbon atoms for forming organic molecules is A) ability to.
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Use the picture below to answer the following questions.   91) What diagram would describe the molecular orbital picture for the species Na4? A) diagram (1) B) diagram (2) C) diagram (3) D) diagram (4) 92) Which diagram describes the molecular orbital picture for the species Na6? A) diagram (4) B) diagram (5) C) diagram (6) D) diagram (7) The following pictures.
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81) What is a cermet? A) boron nitride/epoxy B) ceramic-metal composite C) ceramic-polymer composite D) silicon carbide/graphite 82) Silicon nitride/zirconia is a example of a A) ceramic-ceramic composite. B) ceramic-metal composite. C) ceramic-polymer composite. D) superconductor. 83)  Relative to a bulk sample of gold, nanoparticles of gold have A) greater reactivity and higher melting point. B) greater reactivity and lower melting point. C).
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The following pictures show the electron populations of the composite s - d bands for Y, Mo, Ag, and Cd.    108) Which picture corresponds to Y? A) picture (1) B) picture (2) C) picture (3) D) picture (4) 109) Which picture corresponds to Mo? A) picture (1) B) picture (2) C) picture (3) D) picture (4) 110) Which picture corresponds.
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  131) Which of the above are bidentate or tridentate ligands, capable of forming chelate rings? A) (a) and (c) B) (b) and (d) C) (a), (b), and (c) D) (a), (b), (c), and (d) 132) Which of the above are monodentate ligands? A) (a) and (c) B) (b) and (d) C) All are monodentate. D) None are monodentate. Consider the.
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41) Which one of the following metals is expected to have the highest melting point? A) Cd B) Cr C) Hg D) Zn 42) Electrical resistance of a metal ________ with increasing temperature. A) can decrease or increase B) decreases C) does not change D) increases 43) What type of substances exhibit an increase in conductivity with an increase in.
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31) Which name is not correct? A) 2, 2-dimethylbutane B) 2, 3-dimethylpentane C) 2, 3, 3-trimethylbutane D) 2, 3, 3-trimethylpentane 32) The names of compounds with carbon-carbon double bonds contain the suffix A) -ane. B) -ene. C) -yne. D) -one. 33) Which class of hydrocarbons has the general formula CnH2n+2? A) alkanes B) alkenes C) alkynes D) cylcloalkanes 34) What class of hydrocarbons has the.
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71) Radiation is dangerous to organisms because A) all radionuclides are poisonous. B) it causes electrolysis of water in the cells. C) it causes nuclear reactions in the cells. D) it ionizes molecules in the cells. 72) Carbon-14, which is present in all living tissue, radioactively decays via a first-order process. A one-gram sample of.
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    97) Which group of elements, indicated by letter and shading on the periodic table above, represents the transition elements? A) A B) B C) C D) D 98) Which group of elements, indicated by letter and shading on the periodic table above, represents the inner transition elements? A) A B) B C) C D) D     99) Which element indicated on.
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31) Which of the following chromium species is the strongest acid? A) Cr(OH)2 B) Cr(OH)3 C) CrO2(OH)2 D) CrO42- 32) Which chromium species exists only under acidic conditions? A) Cr(OH)2 B) Cr(OH)4- C) CrO42- D) Cr2O72- 33) Which is the strongest oxidizing agent under acidic conditions? A) Cr2+ B) Cr3+ C) CrO42- D) Cr2O72- 34) In the two half-reactions shown below, which chromium species is.
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20.1   Multiple Choice Questions 1) Which of the following elements is an inner transition metal? A) Eu B) Fe C) Ru D) Sc 2) What is the characteristic outer electron configuration for transition elements? A) (n - 1)d10-xns2 B) (n)d10-xns2 C) (n + 1)d10-xns1 D) (n - 1)d10-x(n + 1)s2 3) What is the ground-state electron configuration for the element.
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21) What oxidation state(s) is(are) exhibited by all first row transition elements except scandium? A) +2 B) +3 C) +2 and +3 D) +2, +3 and +4 22) What is the highest possible oxidation state for chromium? A) +3 B) +4 C) +5 D) +6 23) What statement is most inconsistent with the chemistry of transition elements? A) Bromide, chloride and.
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61) Which of the following statements about benzene is true? Benzene A) contains 3 long bonds and 3 short bonds. B) is a puckered, six-membered ring. C) is unusually stable because of delocalized pi electrons. D) readily undergoes addition reactions. 62) What type of hybridization does a carbon atom have in a six-membered aromatic.
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91) What is the crystal field energy level diagram for the complex [Co(CN)6]3-? A) (A) B) (B) C) (C) D) (D) 92) Which ion would you expect to have the largest crystal field splitting, ?? A) [Fe(CN)6]4- B) [Fe(CN)6]3- C) [Fe(H2O)6]2+ D) [Fe(H2O)6]3+ 93) What statement is inconsistent with the crystal field theory of tetrahedral complexes? A).
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51) Which of the following can function as a bidentate ligand? A) CO B) OH- C) NH3 D) C2O42- 52) Which of the following can function as a bidentate ligand? A) CN– B) NCS– C) H2NCH2CO2– D) All of these can function as bidentate ligands. 53) Which coordination complex ligand is incorrectly named? A) , sulfato B) N, nitrato C) , oxalato D) SC,.
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The first transition series metals are shown below.     104) Which has the highest melting point? A) Sc B) V C) Mn D) Zn 105) Which has the lowest melting point? A) Sc B) V C) Mn D) Zn 106) Which has the largest atomic radius? A) Sc B) V C) Ni D) Zn 107) Which has the smallest atomic radius? A) Sc B) V C) Ni D) Zn 108) Which has.
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51) Hydrogenation of vegetable oils converts them into what type of molecule? A) esters B) ethers C) polymers D) saturated fats 52) Name the product obtained from the addition of bromine to 3-methyl-1-butene. A) 1, 1-dibromobutane B) 1, 2-dibromo-3-methylbutane C) 1, 2-dibromopentane D) trans-1, 2-dibromobutene 53) What is the product when pure water and ethene are mixed? A) an alcohol B) a.
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11) Which substance is commonly found in nature in an uncombined form? A) aluminum B) iron C) platinum D) tin 12) Which of the following elements is most likely to occur as a metal sulfide ore? A) Hf B) Hg C) K D) W 13) Which of the following elements is most likely to naturally occur as a carbonate? A) Ca B).
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