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11) The secondary valence in metal ion complexes is called the __________. 12) Werner's theory of primary and secondary valences for transition metal complexes has given us the concepts of __________  and __________. 13) Transition metal ions with empty valence orbitals act as __________. 14) What is the oxidation number of the central.
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22.5   Essay Questions 1) Explain why silicon does not form any allotropes with structures analogous to that of graphite or buckminsterfullerenes, even though it is in the same group as carbon. 2) Explain why hydrofluoric acid etches glass. 3) Explain why HF (aq) is a relatively weak acid compared to other hydrohalic acids. 4).
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21) Which of the following represents a physical property? A) Sodium metal is extremely reactive with chlorine gas. B) Mercury is a shiny liquid at room temperature. C) The tendency of aluminum to "oxidize" D) The flammability of butane fuel. E) The unreactive nature of argon gas 22) The "disappearance" of mothballs is an example of.
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21) A ligand with a single donor atom is called __________. A) a chelon B) a chelate C) polydentate D) monodentate E) bidentate 22) Which of the following is not a chelating agent? A) chloride anion B) EDTA C) porphine D) ethylenediamine E) oxalate anion 23) What is the purpose of adding EDTA to prepared foods? A) to keep ions such as Ca2+.
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11) What is the oxidation state of xenon in XeO4? A) +8 B) +6 C) +4 D) +2 E) 0 12) Br2 can be prepared by combining NaBr with __________. A) Cl2 B) HBr C) HCl D) NaCl E) I2 13) The active ingredient in many liquid bleaches is __________. A) NaCl B) NaClO C) NaClO2 D) NaClO3 E) NaClO4 14) Which halogen can react with fluorine to.
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21) What is the coordination number of chromium in [Cr(H2O)4Cl2]+? A) 8 B) 6 C) 4 D) 2 E) 12 22) The "dentation" of a ligand is defined by __________. A) how many "dents" or "deceptions" there are in the coordination sphere of a complex species it forms B) how many electron donor atoms it utilizes to form.
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41) What is the formula of borax? A) H3BO3 B) H2B4O7 C) P5O8 D) B2O3 E) Na2B4O7?10H2O 42) Which group 3A element is a metalloid? A) B B) Al C) Ga D) In E) Tl 43) Tetraboric acid, H2B4O7, is prepared by heating boric acid, H3BO3 (a condensation reaction involving water loss). If 400.0 mmol H3BO3 are used, what mass (g) of.
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24.2   Bimodal Questions 1) Hybridization of the carbon atom indicated by (*) in CH3-* CH2- CH3, *CH2?CH2, and CH3-*C≡CH is __________, __________, and __________, respectively. A) sp3, sp2, sp B) sp3, sp, sp2 C) sp, sp2, sp3 D) sp, sp3, sp2 E) sp2, sp3, sp 2) Hydrocarbons containing only single bonds between the carbon atoms are called.
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21) Which one of the following compounds is an isomer of CH3CH2CH2CH2OH? A) CH3CH2CH2OH B) C) D) E) CH3OH 22) What is the general formula for a ketone? A) R?O?R B) R-CO-R' C) R?CO?OH D) R?OH E) R?CHO 23) Which of the following compounds do not contain an sp3 hybridized oxygen atom? A) ketones B) alcohols C) ethers D) esters E) water 24) Of the.
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41) Which one of the following complexes would most likely have tetrahedral geometry? A) [NiCl4]2- B) [Co(H2O)6]2+ C) [Cr(NH3)6]3+ D) [Fe(CN)6]3 E) [Pt(NH3)2Cl2] 42) Which one of the following complexes can exhibit geometrical isomerism? A) [Pt(NH3)2Cl2] (square planar) B) [Zn(NH3)2Cl2] (tetrahedral) C) [Cu(NH3)4]2+ (square planar) D) [Cu(NH3)5Cl]2+ (octahedral) E) All of the above can exhibit geometrical isomerism. 43) Coordination sphere isomers A) have.
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31) The addition of solid potassium cyanide to aqueous hydrochloric acid will produce __________. A) H2O B) HCN C) NH3 D) K2CO3 E) K2C2 32) An example of a form of pure carbon that contains only sp3 hybridized carbon atoms is __________. A) diamond B) charcoal C) graphite D) carbon black E) carborundum 33) What is the oxidation state of carbon in.
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61) Which pair of formula/name is incorrect? A) NO / nitric oxide B) N2O / nitrous oxide C) NO2 / nitrogen dioxide D) N2O4 / dinitrogen trioxide E) N2O5 / dinitrogen pentoxide 62) The oxidation numbers of nitrogen in the nitride ion, hydrazine, ammonium cation, and nitrate ion are __________, __________, __________, and __________, respectively. A) -3,.
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31) The oxidation state of fluorine in its compounds is A) positive unless it combines with another halogen. B) negative unless it combines with another halogen. C) negative unless it combines with oxygen. D) negative unless it combines with an active metal. E) always negative. 32) The most stable allotrope of oxygen is __________. A) H2O B) O3 C).
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23.2   Bimodal Questions 1) The coordination numbers of cobalt(III) and of chromium(III) in their complexes are always __________. A) 4 B) 5 C) 2 D) 3 E) 6 2) The coordination number of platinum in complexes is always __________. A) 4 B) 5 C) 2 D) 3 E) 6 3) During the formation of a coordination compound, the metal acts as a __________. A).
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31) The correct name for Na3[CoF6] is __________. A) trisodium hexakisfluorocobalt(III) B) trisodium hexakisfluorocobalt(II) C) trisodium hexakisfluorocobalt(IV) D) sodium hexafluorocobaltate(III) E) sodium hexafluorocobaltate(IV) 32) Triphenylphosphine is often given the abbreviated formula PPh3. The correct name for Rh(PPh3)3Cl is __________. A) chlorotriphenylphosphinerhodium B) chlorotriphenylphosphinerhodium(I) C) tris(triphenylphosphine)chlororhodium(I) D) chlorotris(triphenylphosphine)rhodium(I) E) chlorotris(triphenylphosphine)rhodate(-I) 33) In __________, the bonds are the same but the spatial arrangement of.
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21) What is the coefficient of NO2 when the following disproportionation reaction is balanced? NO2 (g)  +  H2O (l)  →  H+ (aq)  +  NO3- (aq)  +  NO (g) A) 1 B) 2 C) 3 D) 5 E) 4 22) The Haber process is used to make __________ from __________. A) HNO3, N2 B) O2, KClO3 C) NH3, N2 D) NO2, O2 E).
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1.3   Matching Questions Match the event with the name of the process from the list below. A) sublimation B) evaporation C) freezing D) condensation E) melting 1) The pond ices in winter. 2) Mothballs disappear when placed between clothes. 3) An ice cube disappears when left in a freezer for a year 4) Water droplets form on the mirror.
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11) What is the most common geometry found in four-coordinate complexes? A) square planar B) octahedral C) tetrahedral D) icosahedral E) trigonal bipyramidal 12) The minimum number of unshared valence electron pairs in the ligands of a coordination compound is __________. A) 1 B) 2 C) 3 D) 4 E) 5 13) The coordination number of cobalt in CoCl3 ? 6NH3 is.
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31) The chelate effect is best attributed to considerations of which type? A) hydration B) enthalpy C) entropy D) hydrogen bonding E) resonance 32) Which one of the following species is a potential polydentate ligand (chelating agent)? A) NH3 B) Cl- C) CN- D) H2O E) C2O42- 33) What are the donor atoms in ferrichrome and how many of them are in.
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11) Cyclohexane has __________ fewer hydrogens than n-hexane. A) 0 B) 1 C) 2 D) 3 E) 4 12) How many structural isomers of heptane exist? A) 2 B) 4 C) 6 D) 8 E) 9 13) The general formula of an alkane is __________. A) C2nH2n+2 B) CnH2n C) CnH2n+2 D) CnH2n-2 E) CnHn 14) Alkanes with __________ to __________ carbons are found in straight-run gasoline. A) 2,.
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11) Write the correctly balanced equation for the reaction between elemental iodine and sodium bromide. 12) The acid and salts of which halogen-oxyanion are the most stable? 13) What anion containing Cl is used as a rocket fuel? 14) Astatine decays by __________. 15) What is the oxidation state of oxygen in the.
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31) The general formula of an ester is __________. A) R?O?R' B) R?CO?R' C) R?CO?OH D) R?OH E) R?CO?OR' 32) CH3CH2C(?O)NH2 is called a(n) __________. A) amine B) amide C) ketone D) aldehyde E) ester 33) The compound below is a(n) __________. A) carboxylic acid B) ketone C) aldehyde D) ester E) amine 34) The hybridization of the central carbon atom in an aldehyde is __________. A) sp B) sp3 C).
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23.1   Multiple-Choice Questions 1) Chalcocite, chalcopyrite, and malachite are sources of which metal? A) manganese B) copper C) titanium D) iron E) zinc 2) Which mineral contains titanium? A) pyrolusite B) chalcopyrite C) galena D) rutile E) sphalerite 3) A mineral is A) a solid inorganic compound that contains one or more metals. B) a vitamin. C) metal in its elemental form. D) a transition metal ion. E).
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23.5   Essay Questions 1) What is the purpose of adding sodium tripolyphosphate to a detergent? 2) What colors of light does chlorophyll-a absorb? 3) How does an elevated body temperature deprive some bacteria in the body of iron? 4) What is a siderophore? 5) What is meant by the prefix tetrakis-, and when is it.
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81) Addition of B2O3 to soda-lime glass A) imparts a greater ability to withstand temperature change. B) imparts a deep blue color. C) results in a denser glass with a higher refractive index. D) results in a glass with a lower melting point. E) results in opaque glass. 82) Replacement of Na2O by K2O in soda-lime.
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22.4   True/False Questions 1) Air containing 4% H2 can be explosive. 2) The reduction of O2by sodium hydride produces lye. 3) Xenon can have oxidation states of 2, 4, 6, and 8. 4) The instability of xenon fluorides is due to its negative enthalpy of formation. 5) Ozone is a pale blue poisonous gas.
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71) Which of the following would produce the most strongly acidic aqueous solution? A) HCO3- B) CO C) CO2 D) CO32- E) CaCO3 72) How many pairs of unpaired electrons are there in one molecule of carbon monoxide? A) 0 B) 1 C) 2 D) 3 E) 4 73) What gas has the odor of bitter almonds? A) H2S B) NO2 C) CO D) HCN E) Cl2 74).
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21) The electrical conductivity of __________ is low in the dark, but increases on exposure to light. 22) Write the balanced equation for the reaction of lithium nitride with water. 23) The danger from mixing ammonia with bleach is the production of __________. 24) KNO3 and NaNO3 are also known as __________. 25) What.
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22.2   Bimodal Questions 1) The most common isotope of hydrogen is sometimes referred to as __________. A) deuterium B) protium C) tritium D) heavy hydrogen E) common hydrogen 2) In metallic hydrides, the oxidation number of hydrogen is considered to be __________. A) -2 B) -1 C) 0 D) +1 E) +2 3) Hydrogen can form hydride ions. Elements in group __________ typically.
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51) Complexes containing metals with d10 electron configurations are typically __________. A) violet B) blue C) green D) yellow E) colorless 52) Complexes containing metals with which one of the following electron configurations are usually colorless? A) d2 B) d1 C) d5 D) d8 E) d10 53) Consider a complex in which manganese (III) is bonded to six identical ligands. Which one.
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41) Amphoteric oxides are also known as __________. A) basic oxides B) basic anhydrides C) acidic oxides D) acidic anhydrides E) none of the above 42) Which element in group 6A is not found as the central atom in compounds with an expanded valence shell? A) oxygen B) selenium C) tellurium D) polonium E) sulfur 43) Which group 6A element is not.
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41) __________ is a monosaccharide. A) Sucrose B) Maltose C) Glucose D) Lactose 42) The principal difference between fructose and glucose is that __________. A) fructose is a disaccharide and glucose is a monosaccharide B) fructose is a monosaccharide and glucose is a disaccharide C) fructose is chiral and glucose is not D) glucose is chiral and fructose is.
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1.2   True/False Questions 1) The earth, taken together as a unit, may be considered one very large piece of heterogeneous matter. 2) The smallest possible piece of gold which still retains all the properties of gold is a cube shape containing eight gold atoms. 3) Water is heterogeneous matter because it is made.
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11) Which of the following represents a chemical change? A) sugar dissolving into hot coffee B) ice melting to form liquid water C) water boiling to form steam D) steel turning to rust in salt air 12) Which of the following represents a chemical change? A) sublimation of dry ice B) molding melted silver C) frying an egg D).
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24.4   True/False Questions 1) The overall polarity of organic molecules is high. 2) Cyclobutane is more reactive than butane. 3) The stability of benzene is a major function of delocalized π bonding. 4) Aldehydes are less reactive than ketones. 5) A carbon with three or more attached groups will be chiral. 6) Racemic mixtures of enantiomers.
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21) Living organisms must expend energy to counter any increase in __________. 22) The doubly ionized form of an amino acid is called a __________ 23) Of the 20 amino acids found in our bodies, __________ of them must be ingested because our bodies cannot synthesize sufficient quantities of them. 24) Large.
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24.3   Short Answer Questions 1) Electron pairs surrounding the carbon atoms in alkanes are in a __________ arrangement. 2) The resistance of gasoline to engine  knocking is referred to as its __________. 3) Why is cyclopropane more reactive than propane? 4) What is the name of the compound below? 5) Write the formula for 2-methyl-4-propylnonane. 6).
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1.1   Multiple-Choice Questions 1) What is the name given to the element with the symbol "P"? A) Polonium B) Protactinium C) Phosphorus D) Palladium 2) What is the name of the element whose symbol is "Co"? A) Carbon B) Chromium C) Coal D) Cobalt 3) What is the name given to the element with the symbol "K"? A) Kallium B) Potassium C) Phosphorus D) Krypton 4).
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21) The heavier noble gases are more reactive than the lighter ones because A) the lighter noble gases exist as diatomic molecules. B) the lighter noble gases have complete octets. C) the heavier noble gases are more abundant. D) the heavier noble gases have low ionization energies relative to the lighter ones. E) the heavier.
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23.3   Short Answer Questions 1) Draw a diagram of the short-hand ground state electron configuration of zinc. 2) Most transition metal ions contain partially occupied __________ subshells. 3) A substance is __________ if its ions or atoms have one or more unpaired electrons. 4) The two more common oxidation states of chromium are.
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24.1   Multiple-Choice Questions 1) Which substance would be the most soluble in gasoline? A) water B) NaNO3 C) HCl D) hexane E) NaCl 2) Which one of the following could be a cyclic alkane? A) C5H5 B) C3H6 C) C4H6 D) C2H6 E) C9H20 3) If each of the following represents an alkane, and a carbon atom is located at each vertex with.
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22.3   Short Answer 1) What are the three crystalline allotropes of carbon? 2) Of Li, K, P and Ne which is the least electronegative? 3) In a proton transfer reaction the weaker a Br∅nsted-Lowry acid the __________ is its conjugate. 4) D2O is known as __________. 5) H2 is reacted with __________ to produce methanol..
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21) What is the mechanism used in humans to combat blood bacterial growth via deprivation of iron? 22) A large difference in formation constant (Kf) of a poly- versus monodentate ligand is called __________. 23) A compound  that can occupy two coordination sites is a (an) __________. 24) The porphyrin compound that contains.
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23.4   True/False Questions 1) If chloride is a ligand to a transition metal it will not be precipitated by silver nitrate. 2) The chelate effect must always occur with positive enthalpy change. 3) The color of hemoglobin changes from purple to red when water displaces oxygen on the molecule. 4) The heme unit.
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11) What type of compound has been used to replace tetraethyl lead ((C2 H5)4Pb) as an antiknock agent in gasoline? A) aromatic compounds B) olefins C) fluorochlorocarbons D) paraffins E) oxygenated hydrocarbons 12) How many structural isomers (include all types except optical) can be drawn for C5H10? A) 5 B) 6 C) 7 D) 10 E) 12 13) How many isomers of.
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