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1、1. Hydrogen is prepared by means of _D_ reaction in lab.(a) substitution (b) decomposition (c) addition (d) displacement2. Benzene reaction with Cl2 belongs to _A_a) substitution (b) decomposition (c) addition (d) displacement3. The _C_ elements from monoatomic molecules due to their filled valent e
2、lectronic configurations.(a) representative (b) transition element (c) inert gas (d) p-block4. Alkenes are produced in _B_ reaction as described below(a) addition (b) elimination (c) displacement (d) substitution5. The _C_ structure of CH4 has been verified by electron diffracxtion because of sp3 hy
3、bridization.(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_ electrons in its valent shell(a) 12 (b) 8 (c) 6 (d) 127. When water combines with pure CuSO4, a _B_ CuSO4.5H2O forms(a) h
4、ydrogenate (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(a) Li (b) Na (c) K (d)
5、 Rb10. The seawater is saline solution. To desalinate seawater is the process to _D_ salt component(a) add (b) dilute (c) concentrate (d) remove11. There are(is) _A_ paired electrons in hydrogen(a) 1 (b) 2 (c) 3 (d)412. The valent electronic configuration for fluorine is _C_(a) 1s2 (b) 2s2 (c) 2s2.2
6、p5 (d) is2. 2s2, 2p513. The octet means that the number of electrons in _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_ to form simpler sugar, such as monosaccarides.(a) dehydration (b) composition
7、(c) hydrolysiis (d) comparsion15. Which of the following belongs to transition metal? D(a) S (b) Na (c) He (d) V16 Addition of AgNO3 in a solution generates white AgCl _C_ that does not dissolve in HNO3(a) solvent (b)silica-gel (c) precipitate (d) solvent1. The nature of organic species present depe
8、nds on the degree of biochemical change of the original plant, C(a) pattern (b) fractions (c) substances (d) ceramics2. I(py)2+ appears to be present in solution C(a) be made (b) be dissolved (c) be detected (d) occur3.The M-F-M bridge bonds invariably have greater M-F distances than corresponding t
9、erminal M-F bonds. C(a) seldom (b) strongly (c) usually (d) never4. The chemical potential decreases and both the effect, i.e., solubility and normal temperature effect. B(a) for example (b) that is to say (c) through (d) approximately5.The M-F-M bridge bonds invariably have greater M-F distances th
10、an corresponding terminal M-F bonds. A(a) end (b) head (c) initial (d) intermediate6. The corresponding bromine-and chlorine-species are less stable. B(a) compound (b) substances (c) supports (d) elementsH2O2, hydrogen peroxide Na2O2, sodium peroxide Se, selenium F , fluorine Br2, bromine PCl3, phos
11、phorus trichloride HI, hydrogen iodide AgI, silver iodide I2, iodine I-, iodide ICl3, iodine trichloride Br-, bromide NF3, nitrogen trifluoride ClF7, chlorine heptafluoride CCl4, carbon tetrachloride PF3, phosphorus trifluoride Cl2O7 dichlorine heptoxideHydration-combination with water molecules.1.
12、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 molecule? D(a) He (b) Ne (c) Ar (d)
13、H24. Which of the following is oxoanion? C(a) S2-, (b) HS-, (c) SO42-, (d) H2S1. 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 are obtained from fluorspar via HF B(a) i
14、n (b) through (c) of (d) containingSnCl4, tin(IV) chloride FeCl3, iron(III) chloride PbCl4, lead(IV) chloride Sn2+, tin(II) ion CaCl2, calcium chloride I3-, triiodide ion CdCl2, cadmium chloride S2-, sulfide ion HgCl2, mercury(II) chloride FeO, iron(II) oxide Cu2O, copper(I) oxide O2-, oxide ionAlCl
15、3, aluminium chloride CBr4, carbon tetrabromide CdS, cadmium sulfide S22-, disulfide ion ZnO, zinc oxide V5+, vanadium(V) ion Cr3+, chromium(III) ion SiO2, silicon dioxide SnCl2, tin(II) chloride H+, hydrogen ion Mg2+, magnesium ion O22-, peroxide ion K+, potassium ion Be2+, beryllium ion Tl+, thall
16、ium(I) ion Ti4+, titanium(IV) ion Pb2+, lead(II) ion Br-, bromide ion Se2-, selenide ion Ca2+, calcium ion Fe2+, iron(II) ion Sn4+, tin(IV) ion Hg2Cl2, mercury(I) dichloride Al3+, aluminium ion1. The diversity of carbon compound is duo to formation of very long chain of carbon atom by the strong car
17、bon-carbon _D_ bond(a) ionic (b) metallic (c) hydrogen (d) covalent2. An inportant quantity, particular for first-order reaction, is _B_ , the length of time required for the concentration of reactant to be decreases to half of its initial value(a) filled (b) half-life (c) half-filled (d) partiallly
18、-filled3. In alkane of CH3CH2CH3, there are _D_ substituents.(a) 2 (b) 3 (c) 8 (d) no4. In alkane CH3Ch2CH3, there are _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, i.e., _B_ is polluted.(a) soil (b)
19、water (c) chemical reagent (d) atmosphere3. Reaction of sodium carbonate with dilute sulfuric acid will generate _A_.(a) a gas (b) a precipitate (c) aqueous solute (d) emulsionCH2BrCH=C(CH3)CH2CH2CH3, 1-bromo-3-methyl-2-hexene CH3(CH2)10CH3, dodecane CH3CH=CHCH3, 2-butene CH3(CH2)16CH3, octadecane C
20、Cl2=CCl2 tetrachloroetheneCH3CH=CHCH2CH3 2-pentene CH3CH2CH3 propane CH2=CH2 ethene trans-3-hexene3-ethyl-4-methylhexanecyclopentenecyclohexanecyclopropanecyclopentane2-ethyl-1-isobutylcyclohexanetert-butylcyclohexaneisopropylcyclohexaneZnCl2.6H2O zinc chloride hexahydrate ZnSO4.7H2O zinc sulfate he
21、ptahydrateRbMgCl3 magnesium rubidium chloride CaSO4.2H2O calcium sulfate dihydrateH4P2O7 diphosphoric acid CdCl2.6H2O cadmium chloride hexahydrate Cu2(OH)2CO3 copper(II) hydroxide carbonate CsCo(SO4)2 cesium cobalt sulfate H2S2O7 disulfuric acid FeSO4.7H2O iron(II) sulfide heptahydrate (NH4)2Fe(SO4)
22、2 ammonium iron(II) sulfate K2Cr2O7 potassium dichromate Na2SO4.10H2O sodium sulfate decahydrate KMnO4, potassium permanganate K2MnO4, potassium manganate MnO4-, permanganate ion MnO2 manganese(IV) oxide CrO3, chromium(VI) oxide CrO42-, chromate ion K2CrO4, potassium chromate Cr2O3, chromium(III) ox
23、ide H2SO4. Sulfuric acid H2SO3. Sulfurous acid H2S(aq), hydrosulfuric acid As2S3, diarsenic trisulfide H2S(as a gas), hydrogen sulgide SF6, sulfur hexfluoride NaHSO3, sodium hydrogen sulfite HCl(a gas), hydrogen chloride NaHSO4, sodium hydrogen sulfate ClO3-. Chlorate ion HClO3, chloric acid HCl(aq)
24、, hydrochloric acid KVO3, potassium vanadate HVO3, vanadic acid V2O5, divanadium pentoxide VCl3, vanadium(III) chloride Al(NO3)3, aluminium nitrateNaAlO2,sodium alumate Al(OH)3, aluminium hydroxide Fe(NO3)3, iron(III) nitrate Ca(BrO2)2, calcium bromite Na2S, sodium sulfide I-, iodide ion IO2-, iodit
25、e ionH2MnO4, manganic acid CaCl2, calcium chloride Na2SO3, sodium sulfite KI, potassium iodide KIO2, potassium iodite HBrO, hypobromous acid NaBrO, sodium hypobromite NaBr, sodium bromide NaBrO3, sodium bromate KPO3,potassium phosphorate HPO3, metaphosphoric acid K3PO4, potassium phosphorate H3PO4 p
26、hosphoric acid(1-propenyl)cyclopentane(1-methylvinyl)cyclopentane1,3-cyclohexadiene2-propynoltrans-1,2-dimethyl-1,2-cyclopentanediol1cis-1,2-dimethyl-1,2-cyclopentanediol4-hexen-2-ol2,4-hexadiene-1,6-diol2,4-hexadiyne-1,6-diol2-propanol2-chloro-1,3-butadiene2-methyl-1-penten-3-yne(1-menthylvinyl)ben
27、zenem-methylphenolmethylenecyclohexanem-nitroiodobenzeneP-bromochlorobenzenem=chlorofluorobenzenevinylcyclohexaneallylbenzene4-hexene-1,2-diol2,5-cyclohexadiene-1,4-diolCyclohexane-1,2-diol1,3-diphenylpropane2,5-heptadiyne1-penten-3-ynediphenylmethanephenylcyclohexanebenzylcyclohexaneethanamidedimet
28、hyl sulfate2,5-hexanedionesec-butylethanoateethanyl chloride1,2-cyclohexanedinitrilecyclohexanedicarboxylic anhydridecyclohexanecarboxylic acidethanenitrile3-butynal4-methoxyphenol 1. Alkenes and alkynes are classified into _B_ compound (a) cyclic (b) unsaturated (c) aromatic (d) straight chain2. Th
29、e general formula R-C=N-O is called cyanate, while R-N=C=O is called _B_(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)
30、HNO3 (b) H2SO4 (c) HNO2 (d) H3PO45. Animal and vegetable oil and fat are a 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 spe
31、cies that is active in the interface medium between phase is _A_.(a) a surfactant (b) a nucleophile (c) an electrolyte (d) an electrophile-4-cyclopentene-1,2-dinitrileethyl ethanoate2-butanol-3-one1,2-methoxycyclobutane1-pentyn-4-oneethanedioic acidN-methyl-1-aminomethane2-aminophenol3-methylphenol2-propanol1,3-propanediolmethanal2-chloro-1,3-butadiene1,4-butanedithioltetrabutylammonium hydroxidedimethyl ethanedioate