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1、1. Hydrogen is prepared by means of _D_D_ reaction in lab.(a) substitution (b) decomposition (c) addition (d) displacement2. Benzene reaction with Cl2 belongs to _A A_a) substitution (b) decomposition (c) addition (d) displacement3. The _C_C_ elements from monoatomic molecules due to their filled va
2、lent electronicconfigurations.(a) representative (b) transition element (c) inert gas (d) p-block4. Alkenes are produced in _B_B_ reaction as described below(a) addition (b) elimination (c) displacement (d) substitution5. The _C_C_ structure of CH4 has been verified by electron diffracxtion because
3、of sp3hybridization.(a) flat square (b) parellel tetragonal (c) tetrahedral (d) tetragonal6. The octet rile simoly states that an atom tends to gain or lose electrons until there are_B B_ electrons in its valent shell(a) 12 (b) 8 (c) 6 (d) 127. When water combines with pure CuSO4, a _B_ forms(a) hyd
4、rogenate (b) hydrate (c) hydrocarbon (d) hydride8. Lyophobic colloid generally have _A_ identity between their molecules and solvent molecules.(a) attraction (b) electrostatic force (c) repulsion (d) electronegativity9. Which of the following has minimum ionization energy D D(a) Li (b) Na (c) K (d)
5、Rb10. The seawater is saline solution. To desalinate seawater is the process to _D_D_ salt component(a) add (b) dilute (c) concentrate (d) remove11. There are(is) _A A_ paired electrons in hydrogen(a) 1 (b) 2 (c) 3 (d)412. The valent electronic configuration for fluorine is _C_C_(a) 1s2 (b) 2s2 (c)
6、(d) is2. 2s2, 2p513. The octet means that the number of electrons in _C_C_ shell has to be eight.(a) innermost (b) the whole (c) outermost (d) no14. Polysaccarides like cellulose and starch must first be subjected to _ A A_ to form simplersugar, such as monosaccarides.(a) dehydration (b) composition
7、 (c) hydrolysiis (d) comparsion15. Which of the following belongs to transition metalD D(a) S (b) Na (c) He (d) V16 Addition of AgNO3 in a solution generates white AgCl _ _C_C_ that does not dissolve in HNO3(a) solvent (b)silica-gel (c) precipitate (d) solvent1. The nature of organic speciesspecies
8、present depends on the degree of biochemical change of theoriginal plant, C C(a) pattern (b) fractions (c) substances (d) ceramics2. I(py)2+ appears to be presentbe present in solution C C(a) be made (b) be dissolved (c) be detected (d) occur M-F-M bridge bonds invariablyinvariably have greater M-F
9、distances than corresponding terminal M-F bonds.C C(a) seldom (b) strongly (c) usually (d) never4. The chemical potential decreases and both the effect,. ., solubility and normal temperatureeffect.B B(a) for example (b) that is to say (c) through (d) approximately M-F-M bridge bonds invariably have
10、greater M-F distances than corresponding terminalterminal M-F bonds.A A(a) end (b) head (c) initial (d) intermediate6. The corresponding bromine-and chlorine-species-species are less stable.B B(a) compound (b) substances (c) supports (d) elementsH2O2, hydrogen peroxide Na2O2, sodium peroxide Se, sel
11、enium F , fluorine Br2,brominePCl3, phosphorus trichloride HI, hydrogen iodide AgI, silver iodide I2, iodineI-, iodideICl3, iodine trichloride Br-, bromide NF3, nitrogen trifluoride ClF7, chlorineheptafluorideCCl4,carbontetrachloridePF3,phosphorustrifluorideCl2O7 dichlorine heptoxideHydration-combin
12、ation with water molecules.1. The _A_ ion can be considered s hydrated proton, H3O+.(a) hydrogen (b) hydroxyl (c) hydronium (d) hydroxo2. Chlorine is bubbled into aqueous sodium bromide, _A_ is liberated(a) bromine (b) dibromide (c) bromide (d) bromide ion3. Which of the following is diatomic molecu
13、le D(a) He (b) Ne (c) Ar (d) H24. Which of the following is oxoanion C(a) S2-, (b) HS-, (c) SO42-, (d) H2S1. In addition,In addition, for first order model the intercept of the straight line plots of log(qe-qt)against t B(a) therefore (b) Furthermore (c) But (d) Actually2. Most fluorine compounds ar
14、e obtained from fluorspar viavia HF B(a) in (b) through (c) of (d) containingSnCl4, tin(IV) chloride FeCl3, iron(III) chloride PbCl4, lead(IV) chloride Sn2+,tin(II) ionCaCl2, calcium chloride I3-, triiodide ion CdCl2, cadmium chloride S2-,sulfide ionHgCl2, mercury(II) chloride FeO, iron(II) oxide Cu
15、2O, copper(I) oxide O2-,oxide ionAlCl3, aluminium chloride CBr4, carbon tetrabromide CdS, cadmium sulfide S22-,disulfide ionZnO, zinc oxide V5+, vanadium(V) ion Cr3+, chromium(III) ion SiO2, silicon dioxideSnCl2, tin(II) chloride H+, hydrogen ion Mg2+, magnesium ion O22-, peroxide ionK+, potassium i
16、on Be2+, beryllium ion Tl+, thallium(I) ion Ti4+, titanium(IV) ionPb2+, lead(II) ion Br-, bromide ion Se2-, selenide ion Ca2+, calcium ion Fe2+,iron(II) ionSn4+, tin(IV) ion Hg2Cl2, mercury(I) dichloride Al3+, aluminium ion1. The diversity of carbon compound is duo to formation of very long chain of
17、 carbon atom bythe strong carbon-carbon _D_D_ bond(a) ionic (b) metallic (c) hydrogen (d) covalent2. An inportant quantity, particular for first-order reaction, is _ B B_ , the length of timerequired for the concentration of reactant to be decreases to half of its initial value(a) filled (b) half-li
18、fe (c) half-filled (d) partiallly-filled3. In alkane of CH3CH2CH3, there are _D D_ substituents.(a) 2 (b) 3 (c) 8 (d) no4. In alkane CH3Ch2CH3, there are _B_B_ carbons in parent chain(a) 2 (b) 3 (c) 8 (d) 85. Environment preotection is a global process which has also included pollution of aquasphere
19、, .,_B B_ is polluted.(a) soil (b) water (c) chemical reagent (d) atmosphere3. Reaction of sodium carbonate with dilute sulfuric acid will generate _ _A_A_.(a) a gas (b) a precipitate (c) aqueous solute (d) emulsionCH2BrCH=C(CH3)CH2CH2CH3, 1-bromo-3-methyl-2-hexene CH3(CH2)10CH3, dodecaneCH3CH=CHCH3
20、, 2-butene CH3(CH2)16CH3, octadecane CCl2=CCl2 tetrachloroetheneCH3CH=CHCH2CH3 2-pentene CH3CH2CH3 propane CH2=CH2 ethenetrans-3-hexene3-ethyl-4-methylhexanecyclohexanecyclopenteneisopropylcyclohexanecyclopropanecyclopentanetert-butylcyclohexane2-ethyl-1-isobutylcyclohexane zinc chloride hexahydrate
21、 zinc sulfate heptahydrateRbMgCl3 magnesium rubidium chloride calcium sulfate dihydrateH4P2O7 diphosphoric acid cadmium chloride hexahydrateCu2(OH)2CO3 copper(II) hydroxide carbonate CsCo(SO4)2 cesium cobalt sulfateH2S2O7 disulfuric acid iron(II) sulfide heptahydrate(NH4)2Fe(SO4)2 ammonium iron(II)
22、sulfate K2Cr2O7 potassium dichromate sodium sulfate decahydrate KMnO4, potassium permanganateK2MnO4, potassium manganate MnO4-, permanganate ion MnO2 manganese(IV) oxideCrO3, chromium(VI) oxide CrO42-, chromate ion K2CrO4, potassium chromate Cr2O3, chromium(III) oxide H2SO4. Sulfuric acid H2SO3. Sul
23、furous acidH2S(aq), hydrosulfuric acid As2S3, diarsenic trisulfide H2S(as a gas), hydrogensulgide SF6, sulfur hexfluoride NaHSO3, sodium hydrogen sulfite HCl(a gas), hydrogenchlorideNaHSO4, sodium hydrogen sulfate ClO3-. Chlorate ion HClO3, chloric acid HCl(aq), hydrochloric acid KVO3, potassium van
24、adate HVO3, vanadic acid V2O5, divanadium pentoxide VCl3, vanadium(III) chloride Al(NO3)3, aluminiumnitrateNaAlO2,sodium alumate Al(OH)3, aluminium hydroxide Fe(NO3)3, iron(III)nitrateCa(BrO2)2, calcium bromite Na2S,ionH2MnO4, manganic acid CaCl2, calcium chloride Na2SO3, sodium sulfiteKI, potassium
25、 iodide KIO2, potassium iodite HBrO, hypobromous acidNaBrO, sodium hypobromite NaBr, sodium bromide NaBrO3, sodium bromateKPO3,potassium phosphorate HPO3, metaphosphoric acid K3PO4, potassium phosphorateH3PO4 phosphoric acidsodium sulfide I-, iodideion IO2-, ioditemethylenecyclohexanem=chlorofluorob
26、enzeneP-bromochlorobenzenem-nitroiodobenzenem-methylphenol2-methyl-1-penten-3-y(1-menthylvinyl)benzenene2-chloro-1,3-butadiene2,4-hexadiyne-1,6-diol2,4-hexadiene-1,6-diol2-propanol4-hexen-2-ol2-propynolcis-1,2-dimethyl-1,2-cyclopentanedioltrans-1,2-dimethyl-1,2-cyclopent1,3-cyclohexadiene(1-propenyl
27、)cyclopentane(1-methylvinyl)cyclopentaneCyclohexane-1,2-diolphenylcyclohexanebenzylcyclohexanediphenylmethane1,3-diphenylpropane1-penten-3-yne2,5-heptadiyne2,5-cyclohexadiene-1,44-hexene-1,2-diolallylbenzenevinylcyclohexane3-butynalethanenitrilcyclohexanecarboxylic acidcyclohexanedicarboxylicanhydri
28、de1,2-cyclohexanedinitrileethanamide2,5-hexanedionedimethylethanyl chloridesec-butylethanoate4-methoxyphenol1. Alkenes and alkynes are classified into _B_ compound (a) cyclic (b) unsaturated (c) aromatic (d) straight chain2. The general formula R-C=N-O is called cyanate, while R-N=C=O is called _B_(
29、a)cyano (b) isocyanate (c)nitrile (d) cyanide3. Reaction between _C_ chloride and sodium hydroxide will release a pungent gas.(a) amino (b) amine (c) ammonium (d) ammonia4. Which of the following belons to triprotic acid D(a) HNO3 (b) H2SO4 (c) HNO2 (d) H3PO45. Animal and vegetable oil and fat are a
30、 more specialized source of a limit number of _C_compounds, including fatty acid such as CH3(CH2)16COOH and a long chain alcohol as CH3(CH2)11OH(a) petroleum (b) inorganic (c) aliphatic (d) aromatic6. The general term for species that is active in the interface medium between phase is _A_.(a) a surf
31、actant (b) a nucleophile (c) an electrolyte (d) an electrophile-dimethyl ethanedioate1,4-butanedithioltetrabutylammonium hydroxide2-chloro-1,3-butadienemethanal1,3-propanediol2-propanol3-methylphenol2-aminophenolN-methyl-1-aminomethaneethanedioic acid1-pentyn-4-one1,2-methoxycyclobutane2-butanol-3-oneethyl ethanoate4-cyclopentene-1,2-dinitrile
