化学专业外语练习题.doc

1、c Which of the following belongs to phosphate?( sodium phosphite)(a) PH3 (b) Na3PO3 (c) Na3PO4 (d) P2、b 1H and 2H are _ and occupy the same position in periodic Table.(a) isomers (b) isotopes (c) redox bodies (d) amphoteric compounds3、d The _ of a carbon is 12 (a) the weight of molecule (b) molecular number (c) the weight of atom (d) atomic weight4、Which of the following belong to nitrate? C (a) NH3 (b) KNO3 (c) KNO2 (d) NO5、Which of the following belongs to secondary amine? B 4、The number of outmost electron in carbon atom is _C_. (a) 1 (b) 2 (c) 4 (d) 65、In reaction H2 + CuO H2O + Cu, _B_ is reduced.(a) H2 (b) CuO (c) Cu (d) H2O6、Which of the following is charged? _C_ (a) atom (b) molecule (c) proton (d) neutron 7、Who first presented Periodic Table of elements? C (a) Democritus (b) Boyle (c) Mendeleev (d)Dalton 8、Which of the following is classified into amine? B (a) NH3 (b) CH3NH2 (c) NaNH2 (d) N29、The substances on the left side of the chemical equation are known as _d_ . (a) reactant (b) reactor (c) reductant (d) reaction 10、Who first present the model of an atom in 1900s? b(a) Plato (b) Dalton (c) Mendeleev (d) Boyle11、Which of the following belongs to nitrite? b(a) HNO2 (b) KNO2 (c) Mg3N2 (d) NH312、Which of the following belongs to metal? b(a) selenium (b) sodium (c) Tellurium (d) Helium13、d The elementary particle of _ is uncharged. d (a) proton (b) electron (c) ion (d) neutron14、d Bromine has _ electrons in its outermost energy level. d(a) 2 (b) 3 (c) 8 (d) 715、a Which of the following is non-metal?(a) chlorine (b) lead (c) copper (d) mercury16、a The atomic number of helium is _.(a) 2 (b) 4 (c) 3 (d) 017、d The horizontal rows of the periodic table are called _. (a) energy level (b) groups (c) electron configuration (d) periods18、a The symbol for element silver is _. (a) Ag (b) Sn (c) Hg (d) Au19、c The atomic number of carbon is _.(a) 13 (b) 6 (c) 12 (d) 120、b Which of the following is inert element? (a) hydrogen (b) helium (c) tellurium (d) potassium21、c Which of the following belongs to halogen?(a) carbon (b) lithium (c) fluorine (d) neon22、a Which of the following belongs to noble gas?(a) neon (b) potassium (c) iodine (d) lead23、a Which of the following belongs to alkali metal?(a) silver (b) sodium (c) tellurium (d) bromine24、b Which of the following belongs to metal halide?(a) KClO3 (b) KCl (c) HCl (d) Cl225、a The _ of carbon is is 1s22s22p2(a) electron configuration (b) periodicity (c) general property (d) inertness26、b The general property of metal is _.(a) soft (b) lustrous (c) flammable (d) toxic27、c Fluorine, chlorine, bromine and iodine belong to _ group. (a) alkaline metal (b) transition metal (c) halogen (d) alkaline earth metal28、b Few reactions occur on helium and argon, so the two elements are chemically _.(a) reactive (b) inert (c) mild (d) strong29、a The standard enthalpy for normal oxygen is _.(a) 0 (b) 0 (c) 0 (d) 030、c The maximum electronegative element in Periodic Table is _.(a) H (b) Na (c) F (d) He31、b Which of the following belongs to the complex? (a) FeF3 (b) Na3FeF6 (c) Fe3O4 (d) Fe32、d When solid NaCl is put into water, the solid “disappears”. The whole system is called _.(a) soluble (b) solvent (c) solubility (d) solution 33、d Mn2+ can be _ to MNO4- by (NH4)2S2O8 in acidic solution.(a) reduced (b) exchanged (c) substituted (d) oxidized 34、a Charged atoms are called _. (a) ions (b) protons (c) electrons (d) molecules35、b Which of the following is classified into oxo-anion ? (a) O2- (b) SO42- (c) S2- (d) S2-36、a Reaction CH4 +Cl2 CH3Cl + HCl is called _ reaction. (a) substitution (b) oxidation (c) reduction (d) exchange37、c Benzene is often used as _ both in laboratory and in chemical industry. (a) solution (b) solvation (c) solvent (d) solute 38、c Standard entropy of any species is _. (a) 0 (b) 0 (c) 0 (d) both (b) and (c) 39、b If aqueous NaCl is wanted to separate, _ is good choice.(a) substitution (b) distillation (c) coordination (d) bond 40、b Alcohol is readily _ and we smell it everywhere in air. (a) soluble (b) volatile (c) reactive (d) precipitated41、b As a general rule, the coordination compounds(the complex) with coordination number of six are observed _ structure (a) tetrahedral (b) octahedral (c) octagonal (d) bipyridyl 42、d The demanded energy that a gaseous neutral atom loses one electron at thermodynamic standard condition is called the first _. (a) energy level (b) electron configuration (c) activation energy (d) ionization energy 43、c NaCl is _ in water. (a) solution (b) solvent (c) soluble (d) precipitated44、d When AgNO3 is mixed with NaCl, AgCl _ is developed.(a) solution (b) solvent (c) soluble (d) precipitated 45、b Which of the following belongs to hydrocarbon?(a) C11H22O11 (b) C8H18 (c) CH3COOH (d) H2SO4 46、a In K4FeF6, the charge of the complex part is _. (a) -4 (b) +2 (c) +1 (d) 147、b Which of the following belongs to substitution reaction? (a) H2 + Cl2 HCl (b) C6H6 + Cl2 C6H5Cl + HCl (c) H2O H2 + O2 (d) S+ O2 SO248、a In K4FeF6, the oxidation number(or state) of Fe is _. (a) 2 (b) 0 (c) 6 (d) 449、_c_ is defined as required energy to break chemical bond into neutral species at thermodynamic standard condition. For example breaking HH bond into two H atom requires 104kJ/mol. (a) Lattice energy (b) Hydration energy (c) Bond energy (d) Activation energy50、a When gaseous HCl dissolves into water, _ solution forms.(a) acidic (b) basic (c) salty (d) no51、b When ionic compounds dissolve in water, the ions interact with water molecules. Such process is called _. (a) coprecipitation (b) ionization (c) hydration (d) coordination52、d When ions dissolve in water, they are surrounded by water molecules. Such process is called _. (a) sublimation (b) substitution (c) ionization (d) solvation53、c When benzene is added in aqueous solution containing iodine, most of iodine then transfers into benzene because of the more solubility of iodine in benzene. Such process is called _. (a) refinement (b) titration (c) extraction (d) diffraction54、d Which of the following is classified into transition element? (a) silicon (b) tin (c) helium (d) copper55、_b_ H2SO4 is often used in chemical experiment. (a) Volatile (b) Concentrated (c) Flammable (d) Inert56、a Electrolysis of aqueous solution will produce_.(a) H2 (b) H (c) water (d)OH-57、d Zinc reacts with _ H2SO4 to generate hydrogen gas at room temperature. (a) concentrated (b) cold (c) hot (d) dilute 58、a Which of the following belongs to oxoacid?(a) H2SO4 (b) H2S (c) H2O (d) HS-59、c Which of the following belongs to diatomic molecule?(a) HCN (b) KClO3 (c) HCl (d) C8H1060、c If solid NaCl is added into its saturation solution , _ is developed.(a) transparent solution (b) colloidal (c) precipitate (d) dissolution61、c Which of the following belongs to alkali earth metal?(a) potassium (b) lead (c) calcium (d) boron62、b Which of the following belongs to hydride?(a) CuSO45H2O (b) H2S (c) C6H6 (d) H2SO463、a Which of the following belongs to carbohydrate?(a) C11H22O11 (b) C10H8 (c) HCHO (d) CO264、a Which of the following belongs to representative element?(a) carbon (b) iron (c) copper (d) zinc65、d Which of the following belongs to alkaline earth element?(a) potassium (b) mercury (c) boron (d) magnesium66、a Benzene usually carries out _ reaction, as described belowC6H6 +Cl2-C6H5Cl + HCl(a) substituent (b) substitution (c) displacement (d) alternative67、a The general formula of saturation alkane is _(a) CnH2n+2 (b) CnH2n (c) CnH2n-2 (d) CnH2n-668、c There are _ carbon atoms in parent chain of 2,3-dimethylbutane.(a) 2 (b) 5 (c) 4 (d) 669、c Which of the following is trans-2-butene? 70、d The vinyl group has the structure of _. (a) CH3CH2 (b) C6H5 (c) CHC (d) CH2=CH71、b Compounds that containing both hydroxyls and carbon-carbon double bonds are called _ (a) polyols (b) unsaturated alcohols (c) cyclols (d) thiol72、c Dienes contain _ carbon-carbon double bonds.(a) di- (b) eth- (c) two (d) secondary73、a Which of the following is classified into alkenol?(a) CH2=CHCH2OH (b) CH3CH2CH2OH (c) CHCCH2OH (d) HOCH2CH2CH2OH74、b Vinylcyclopropane is classified into _(a) alkane (b) alkene (c) alkyne (d) alkenyne75、c The functional group of alcohol is _.(a) hydrate (b) hydroxide (c) hydroxyl (d) hydride76、a Alkynes contain carbon-carbon _ bond(a) triple (b) three (c) tertiary (d) prop77、b Methylenecyclopentane is classified into _(a) alkane (b) alkene (c) alkyne (d) alkenyne78、c Which of the following is the formula or general formula of ammonia? (a) C6H5OH (b) C6H5NH2 (c) NH3 (d) RNH279、a A primary amine contains _ hydrogens attached to its nitrogen atom. (a) 2 (b) 3 (c) 4 (d) no80、d Reaction between methanamine and hydrochloric acid produces _ salt. (a) imide (b) imine (c) amide (d) ammonium 81、b The functional group of amine is _.(a) ammonia (b) amino (c) ammonium (d) ammine82、a Alkanes contain carbon-carbon _ bonds. (a) single (b) double (c) triple (d) both (b) and (c)83、d (+)-Glucose (C6H12O6) is _ aldehyde, which contains hydroxyls and distinguishes from common aldehydes or alcohols in properties. (a) polyhydrate (b) many-hydrooxy (c) multihydroxyl (d) polyhydroxy84、b Compounds containing OH and C=C groups are called _ alcohols, because of the presence of carbon-carbon double bonds. (a) primary (b) unsaturated (c) monohydroxyl (d) polyolic85、b Oxacyclopropane contains _ atom(a) nitrogen (b) oxygen (c) sulfur (d) phosphorus86、a azacyclopropane contains _ atom(a) nitrogen (b) oxygen (c) sulfur (d) phosphorus87、 azacyclopropane is classified into _?_(a) amine (b) ether (c) alkane (d) alkene88、a Oxacyclopropane contains _ carbons(a) 2 (b) 3 (c) 4 (d) 589、d Which of the following belongs to tertiary amine?(a) CH3NH2 (b) (CH3)2NH (c) (NH3)3N (d) N(CH3)4+90、a Which of the following contains carbonyl group?(a) CH3COOH (b) CH3OCH3 (c) CH3CH2OH (d) CH3CH2Cl91/c Which of the following contains hydroxyl group?(a) CH3CHO (b) CH3OCH3 (c) CH3CH2OH (d) CH3CH2Cl92、c Which of the following belongs to saturated ketone?(a) CH3CHO (b) CH2=CHCOCH3 (c) CH3CH2COCH3 (d) CH3COOH93、c Carboxylic acids react with alcohols to form _.(a) acid halides (b) acid anhydrides (c) esters (d) amides94、c The general formula of organic amides is _.(a) RNH2 (b) RNH3+X- (c) RCONH2 (d) NaNH295、b Decarboxylation, elimination of the _ as CO2 is of importance for -keto acid. (a) OR (b) COOH (c) CHO (d) CONH296、a Reaction of acid chloride with water forms _.(a) carboxylic acid (b) chlorocarboxylic acid (c) ester (d) phenol97、b We can deduce that thiophene contains _ element though its detailed structure is unknown. (a) O (b) S (c) N (d) C98、a Which of the following is neutralization reaction?(a) acid and base (b) salt and salt (c) salt and base (d) acid salt99、b Reaction of carboxylic acid with alcohol is defined as _.(a) etherification (b) esterification (c) epoxide (d) elimination100、b Reaction of acid anhydrides with ammonia produce_(a) ammonium (b) amide (c) amine (d) amino101、d In K4FeF6, the Fe is called _. (a) dipole moment (b) coordination number (c) ligand (d) centre ion or atom102、a Concentration of concentrated sulfuric acid is _ (a) 18M (b) 12M (c) 6M (d) 2M103、a The detailed, step-by-step description of a chemical reaction is called _, e.g., hydrogen reacts with oxygen to generate water. Such reaction involves the following step: H2 H H +O2 HO + O H + HO H2O (a) mechanism (b) dynamic equation (c) activation energy (d) process 104、a Hydrolysis of FeCl3 shows _(a) acidic (b) neutral (c) alkaline (d) amphoteric105、c Carbocation carries _ charge.(a) no (b) neutral (c) positive (d) varying106、a A large excess of alcohol is added in the following reaction, CH3COOH + CH3CH2CH2OH-CH3COOC3H7 + H2O, the equilibrium shifts _.(a) forwards (b) backwards (c) nothing (d) uncertainy107、c The reaction CH3COOH+ C2H5OH - CH3COOC2H5 is a _ reaction because it proceeds in both direction.(a) forwards (b) backwards c) reversible d) reverse108、a If an entity combines with a proton, it is called _.(a) protonation (b) protolysis (c) protophile (d) non-protic109、c The key raw material for chlor-alkali is _. (a) lime (b) brine (c) soda ash (d) wood pulp 110、a Soda ash is composed of _. (a) sodium carbonate (b) sodium bicarbonate (c) ammonium bicarbonate (d) mixture between and sodium carbonate and sodium bicarbonate 111、c According to the reaction 2NaCl +2 H2O -2NaOH + H2 +Cl2, the ration of caustic soda to chlorine is _(a) 1:2 (b )1:1 (c)2:1 (d)1：0 112、c Sodium hydroxide, called _ because of its corrosion, will burn or, even corrode our tissue and skin if it spots on them. (a) soda ash (b) caustic sodium (c) caustic soda (d) lime 113、d Quicklime is manufactured by the thermal _ (12001500) of limestone according to the equation: CaCO3 - CaO + CO2 (a) combination (b) transfer (c) hydrolysis (d) decomposition114、b Which of the product derived from chlor-alkali industry? (a) electricity (b) chlorine (c) limestone (d) refractory115、c When an ammoniated solution of salt is bubbled by carbon dioxide, the process is called _.(a) decomposition (b) calcine (c) carbonation (d) oxidation116、c In Solvay Process, separation between NaHCO3 precipitates and liquor should be carried out through _.(a) drying (b) distillation (c) filtering (d) concentration 117、c To remove some water from wet CaCO3, _ is available. (a) electrolysis (b) metathesis (c) drying (d) solubility product 118、c If you want to clear water from aqueous NaCl, the reasonable approach is _.(a) cracking (b) humidification (c) distillation (d) agitation 119、c If a solid NaCl is available from its aqueous solution, the reasonable method is _(a) lixiviation (b) sedimentation (c) crystallization (d)centrifugation 120、d Which of the following is classified into metathesis? (a) H2 + O2 H2O (b) HCl + NaCl NaCl + H2O (c) Zn + HCl ZnCl2 + H2 (d) Na2SO4 + BaCl2 BaSO4 + NaCl 121、d Silicate-gel is often used as _ in chemical laboratory.(a) oxidant (b) packing material (c) initiator (d) drying agent 122、b If we want to obtain solid NaCl from its aqueous solution, the reasonable operation is _.(a) pyrolysis (b) crystallization (c) adsorption (d) adsorption 123、d Which one of the following belongs to chloride?(a) Cl2 (b) NaClO3 (c) HClO3 (d) NaCl 124、b All detergents, such as soap, contain _.(a) chromatograph (b) surfactants (c) bleaching powder (d) catalysts 125、Look at the following two electrode reaction(1) or (2):(1) Cl- -2e Cl2(2) 2H2O +2 e H2 +2OH-a Electrode (1) is _(a) cathode (b) anode (c) negative electrode (d) electron 127、c Bleaching powder is often used as _ in public water supplies.(a) infection (b) alkalisource (c) disinfectant (d) raw material 128、a The raw material to produce sulfuric acid is_.(a) sulfide (b) sulfur (c) sulfate (d) sulfonate129、c Electrolysis of aqueous HCl will generate _？_.(a) hydride (b) hydrogen ion (c) hydrogen (d) hydrate 130、b Which of the following shows alkaline?(a) chl