Chemistry test on the topic “Aromatic hydrocarbons. Chemistry test on the topic "arena" Test tasks on the topic "arena"

Arenas

I option

1. General formula of aromatic hydrocarbons:

a) C n H 2 n; b) C n H 2 n+2 ; c) C n H 2 n–2 ; d) C n H 2 n -6

2. The formula of benzene is:

a) C 6 H 6; b) C 5 H 10; c) C 6 H 14; d) C 8 H 18.

3. For the first time, the synthesis of benzene from cyclohexane was carried out by:

a) A.M. Butlerov; b) N.N. Zinin; c) N.D. Zelinsky; d) A.B. Nobel.

4. A substance whose structural formula cannot be named:

a) vinylbenzene; b) styrene; c) benzylethyl; d) phenylethylene.

5. The catalyst for the trimerization of acetylene into benzene is:

a) CuCl, b) C (active), c) AlCl 3, d) Pt.

6. Natural sources of aromatic hydrocarbons are:

a) natural gas, b) coal, c) associated petroleum gas, d) groundwater.

7. When ethylbenzene is monobrominated in the presence of FeBr 3, the number of isomeric products formed is equal to:

a) two; b) three; c) four; d) five. HNO3

8. Specify substances X And Y in the transformation scheme C 6 H 6 → X→ C 6 H 5 COOH → C 6 H 6 → Y

a) X – ethylene, Y – nitrobenzene; b) X – acetylene; Y-nitrobenzene;

c) X – chloromethane; Y – toluene; d) X – acetylene; Y-xylene

9. Reaction cyclo-C 6 H 12 C 6 H 6 + 3H 2 is the reaction:

a) hydrogenation; b) dehydrogenation; c) dehydration; d) substitutions.

10. The oxidation reaction of toluene is:

a) C 6 H 6 + HNO 3 C 6 H 5 NO 2 + H 2 O;

b) 2C 6 H 6 + 15O 2 12CO 2 + 6H 2 O;

c) C 6 H 5 CH 3 + 3[O] C 6 H 5 COOH + H 2 O;

d) C 6 H 6 + Cl 2 C 6 H 5 Cl + HCl.

11. Highlight the statement that is true for the structure of benzene and its homologues:

a) in the formation of all σ - bonds, the orbitals of the carbon atom in the state take part sp 2 – hybridization; /_ C – C – C = 120 0 ; unhybridized R-orbitals of carbon atoms form a single π – system;

b) σ – C – C bonds are formed sp 2 – hybrid electron clouds;

c) p – electrons of six carbon atoms participate in the formation of three double bonds, separated from each other by single bonds;

d) p – electrons of carbon atoms are non-hybrid, they bond with s – orbitals of hydrogen atoms.

12. Select pairs of substances that are homologues:

a) styrene and benzene;

b) o-xylene and benzene;

c) toluene and ethylbenzene;

d) butylbenzene and 1,2,3,4 – tetramethylbenzene

13. Determine the number of existing isomeric dimethylbenzenes:

a) 3; b)4; at 2 ; d) 6

14. Indicate which of the following reagents benzene does not react with:

a) halogens; b) H 2 O; c) HNO 3; d) KMnO 4 solution and bromine water

15. Note the monosubstituted derivatives of nitrobenzene, which are formed mainly during its bromination:

a) 2-bromonitrobenzene;

b) 4 - bromonitrobenzene;

c) 3 - bromonitrobenzene;

d) 2 – bromonitrobenzene and 4 – bromonitrobenzene

II option

1. Compounds with the general formula C n H 2 n -6 include

a) propane b) acetylene c) ethene d) benzene

2. The formula of toluene is:

a) C 6 H 6; b) C 6 H 5 NH 2; c) C 6 H 5 CH 3; d) C 6 H 12.

3. The second name for methylbenzene is:

a) xylene; b) benzene; c) styrene; d) toluene

4. In addition reactions, arenes are similar in properties:

a) alkanes; b) alkenes;

c) cycloparaffins; d) to none of the listed classes of substances.

5 . Indicate the name of the cycloalkane from which toluene can be obtained by dehydrogenation:

a) cyclohexane; b) methylcyclopentane; c) methylcyclohexane; d) ethylcyclohexane.

6. The catalyst for the aromatization reaction of n-heptane to form toluene is:

a) CuCl, b) C (active), c) Pt, d) AlCl 3.

7. Benzene and its homologues are isolated from:

a) fuel oil; b) associated petroleum gas;

c) coke; d) coal tar.

8. Which reaction of benzene is a substitution reaction?

a) nitration; b) combustion;

c) hydrogenation; d) interaction with chlorine under the influence of UV irradiation.

9. Specify substances X And Y in transformation: CH 4 → X→ Y→ C 6 H 5 Cl → C 6 H 6

a) X – ethylene; Y – ethane; b) X – bromomethane; Y- benzene;

c) X – acetylene; Y – benzene; d) X – acetylene; Y - nitrobenzene

10. The acetylene trimerization reaction is a special case of the reaction:

a) combustion; b) decomposition; c) hydrogenation; d) polymerization.

11 . What pair of substances belonging to different classes organic compounds, is isomeric?

a) C 6 H 6 and C 6 H 12; b) cyclo-C 4 H 8 and CH 2 =CH–CH 2 –CH 3;

c) SNS–CH 3 and CH 3 –CH 2 –CH 3 ; d) CH 3 CH 2 CH 3 and C 3 H 6.

12. Determine the statement that is true for the structure of benzene:

a) the carbon atom is in sp 3 – hybridization, angle Н-С– C is equal to 109 0 28 ", the length of the C – C bond is equal to 0.154 n;

b) an open chain of carbon atoms, sp 2 – hybridization;

c) carbocyclic compound, sp 2 – hybridization, π – bonds are evenly distributed over all six atoms, i.e. delocalized, flat shape of molecules;

d) the length of the C – C bond is equal to the length of C = C and is 0.134 nm.

13 . Indicate in which pairs the substances are isomers:

a) metaxylene and 1,4 – dimethylbenzene;

b) 1-methyl-3-ethylbenzene and propylbenzene;

c) vinylbenzene and ethylbenzene;

d) ortho-bromotoluene and para-bromotoluene.

14. Find the error in the properties of benzene:

a) colorless, volatile liquid;

b) toxic;

c) slightly soluble in water;

d) burns with a bright luminous flame.

15. The oxidation of methylbenzene produces :

a) benzoic acid; b) CO 2 and H 2 O;

c) oxalic acid; d) does not oxidize

Properties.

2. When toluene (1 mol) reacts with bromine (1 mol), the following are formed:

A) ortho-bromotoluene; b) meta-bromotoluene; V) pair-bromotoluene; d) 2,3,5-tribromotoluene;

1)a, b 2) a, c 3)d 4)b

3. The statement is true

1) toluene undergoes a hydration reaction 2) toluene undergoes substitution reactions more easily than benzene 3) benzene is oxidized more easily than toluene 4) toluene does not undergo a hydrogenation reaction

5. Benzene reacts with

A) chlorine under light

B) chlorine in the presence of an AlCl 3 catalyst

B) chloroethane in the presence of an AlCl 3 catalyst

D) hydrogen chloride

D) sodium hydroxide

E) KMnO 4 solution

6.Characteristic of benzene

B) sp-hybridization of carbon atoms

B) substitution reactions

D) flammability

7. Toluene reacts with

A) potassium permanganate solution

B) bromine water

B) water in the presence of a catalyst

D) chlorine under light

D) hydrogen

E) hydrogen chloride

8. Toluene is characterized by

A) the presence of a conjugated electronic system in the molecule

B) substitution reactions

D) discoloration of the KMnO 4 solution

D) flammability

E) good solubility in water

9. Styrene (vinylbenzene) is characterized by

A) the presence of a conjugated electronic system in the molecule

B) sp 2 -hybridization of carbon atoms

B) polycondensation reaction

D) discoloration of bromine water

D) flammability

E) good solubility in water

10. The halogenation reaction of aromatic hydrocarbons is carried out in the presence of a catalyst: 1) mercury salts; 2) conc. H 2 SO 4 ; 3) CCl 4 4) FeBr 3 or AlCl 3

11. The nitration of toluene produces:

12. The nitration reaction of aromatic hydrocarbons is carried out in the presence of:

1) mercury salts; 2) conc. H 2 SO 4 ; 3) CCl 4 4) FeBr 3 or AlCl 3

13. When bromination of nitrobenzene is formed:

1) ortho product; 2) meta-product; 3) steam product; 4) a mixture of ortho and para isomers.

14. The alkylation reaction of aromatic hydrocarbons with haloalkanes is carried out in the presence of a catalyst: 1) mercury salts; 2) conc. H 2 SO 4 ; 3) CCl 4 4) FeBr 3 or AlCl 3

15. Benzene adds under harsh conditions:

1) hydrogen 2) nitric acid 3) sulfuric acid 4) water

16. When nitrating benzene, use is used as a catalyst : 1) AlCl 3 2)H 2 SO 4 3)water 4) Ni

17. When benzene is hydrogenated, you get:

1) hexane 2) cyclohexane 3) pentane 4) cyclopentane

18. When chlorinating benzene, the following is used as a catalyst:

1) AlCl 3 2) H 2 SO 4 3) water 4) Ni

Receipt.

19. Benzene can be obtained from:

1) hexane 2) pentane 3) 2-methylpentane 4) 2-methylhexane.

20. Toluene can be obtained from:

1) hexane; 2) heptane 3) 2-methylheptane 4) pentane

21. From heptane using dehydrocyclization you can obtain:

1) benzene: 2) toluene; 3) ethylbenzene; 4) 1,3-dimethylbenzene

22. From which alkane containing 6 carbon atoms in the main chain can 1,4-dimethylbenzene be obtained:

1) 1,4-dimethylhexane; 2) 2,5-dimethylhexane; 3) 2,4-dimethylhexane; 4) 3,4-dimethylhexane.

23. From 2,4-dimethylhexane using dehydrocyclization one can obtain:

1) benzene 2) toluene; 3) ethylbenzene; 4) 1,3-dimethylbenzene

24. From which alkane cannot 1,2-dimethylbenzene be obtained:

1) 3-methylheptane; 2) 2,3-dimethylhexane; 3) 2,4-dimethylhexane; 4) 3,4-dimethylhexane.

25. To obtain C 6 H 5 -CH 2 Br, it is necessary to react toluene with

1) hydrogen bromide 2) bromine water 3) bromine when heated 4) bromine in the presence of FeBr 3

26. Benzene cannot be produced in the reaction

1) trimerization of acetylene 2) dehydration of phenol

3) dehydrogenation of cyclohexane 4) dehydrocyclization of hexane.

Mixed tasks.

1. Which substance from the transformations formed in the given scheme (X, Y or Z) is used as a means of combating harmful insects?

Give this connection a name.

1) X – acetic acid 2)Y – benzene 3) Z – hexachlorocyclohexane 4)Z – hexachlorobenzene

2. React with a solution of potassium permanganate

1) ethane, pentane, ethyne 2) cyclobutane, propene, hexane

3) ethylene, propyne, pentadiene-1,3 4) butene-1, acetylene, methane

3. The hydroxyl group attaches preferentially to the least hydrogenated carbon atom during hydration

1) CH 2 =CH-CCl 3 2) CH 2 =CH-COOH 3) CH 2 =CH 2 4) HC≡C-CH 3

4. Reacts with hydrogen chloride 1) benzene 2) propene 3) propane 4) toluene.

5. Bromine water discolors 1) benzene 2) propane 3) propene 4) toluene

6. Does not react with hydrogen in the presence of a catalyst

1) benzene 2) butene 3) toluene 4) butane

T. S. Borotiuk, MKOU secondary school No. 14, Taishet, Irkutsk region

Test on the topic "Arenas"

Option #1

1) Which one general formula corresponds to the homologous series of aromatic hydrocarbons

a) C n H 2 n b) C n H 2 n +2 c) C n H 2 n –2 d) C n H 2 n –6

2) Indicate which judgment is correct: A) The benzene ring is a cyclic group; B) The benzene molecule has the structure of a regular triangle.

3) Benzene at room temperature is:

a) Colorless liquid b) Solid c) Gas d) Plasma

6) Which of the following compounds is called 1,4-dimethyl-2-ethylbenzene:

a) Ethylbenzene b) Styrene c) 2-ethylbenzene d) Vinylbenzene

8) Select a substance that is a homologue of ethylbenzene (C 8 H 10):

9) As a result of the reaction 3СН≡СН →

a) Benzene b) Toluene c) Styrene d) Methylbenzene

Test on the topic "Arenas"

Option No. 2

1) What type of hybridization of electron clouds of carbon atoms is characteristic of aromatic hydrocarbons:

a) sp – b) sp 2 – c) sp 3 – d) sp 4 –

2) Indicate which judgment is correct: A) Each carbon atom forms 3 σ bonds and one π bond; B) All σ bonds are in the same plane.

a) Only A is true b) Only B is true c) Both are true d) Both are false

3) Does benzene dissolve in water:

a) Yes b) In any ratio c) No d) When cooled

4) Select a substance that is an isomer of propylbenzene (C 9 H 12):

5) What is the name of the following hydrocarbon:

a) 1,2-dimethylbenzene b) 1-methyl-2-ethylbenzene

c) 1,2-diethylbenzene d) 1-ethyl-2-methylbenzene

6) Which of the following compounds is called 1,2-dimethyl-4-ethylbenzene:

7) What is the name of the following hydrocarbon:

8) Select a substance that is a homologue of propylbenzene (C 9 H 12):

9) As a result of the reaction
is formed. Write the reaction equation.

a) Bromobenzene b) 1,2-dibromobenzene c) Toluene d) 2-bromobenzene

Test on the topic "Arenas"

Option No. 3

1) Indicate the length of the carbon-carbon bond in the benzene ring:

a) 0.139 nm b) 0.154 nm c) 0.120 nm d) 0.132 nm

2) Indicate which judgment is correct: A) Six non-hybrid p-orbitals form a single π-system; B) The benzene molecule has the structure regular hexagon.

a) Only A is true b) Only B is true c) Both are true d) Both are false

3) Boiling point of benzene:

a) 80 ºС b) 55 ºС c) 5.5 ºС d) 90 ºС

4) Select a substance that is an isomer of butylbenzene (C 10 H 14):

5) What is the name of the following hydrocarbon:

a) 1,2-dimethylbenzene b) 1,4-dimethyl-2-ethylbenzene

c) 1,2-diethylbenzene d) 1-ethyl-2-methylbenzene

6) Which of the following compounds is called 1,3-dimethyl-4-ethylbenzene:

7) What is the name of the following hydrocarbon:

a) Ethylbenzene b) Toluene c) Methylbenzene d) Vinylbenzene

8) Select a substance that is a homologue of butylbenzene (C 10 H 14):

9) As a result of the reaction is formed. Write the reaction equation.

a) Nitrobenzene b) 1,2-dibromobenzene c) Toluene d) 2,4,6-trinitrotoluene

Test on the topic "Arenas"

Option No. 4

1) Indicate what the angles between the bonds in the benzene ring are equal to:

a) 120º b) 180º c) 109º d) 90º

2) Indicate which judgment is correct: A) The benzene molecule has the structure of a regular square; B) Benzene is a toxic substance.

a) Only A is true b) Only B is true c) Both are true d) Both are false

3) Density of benzene:

a) 1 g/ml b) 0.98 g/ml c) 0.88 g/ml d) 1.5 g/ml

4) Select a substance that is an isomer of ethylbenzene (C 8 H 10):

5) What is the name of the following hydrocarbon:

a) 1,4-dimethylbenzene b) 1,4-dimethyl-2-ethylbenzene

c) 1,2-diethylbenzene d) 1-ethyl-2-methylbenzene

6) Which of the following compounds is called 1,2-diethylbenzene: a

№ - 4

a, b, d

a, b

№ - 5

№ - 6

№ - 7

b, d

b, c

№ - 8

a, b, d

c, d

a B C

№ - 9

a (d)

ARENA

1. The isomers are

1) benzene and toluene2) propanol and propanoic acid

3) ethanol and dimethyl ether4) ethanol and phenol

2. Benzene can be obtained from acetylene in one step by the reaction

1) dehydrogenation2) trimerization3) hydrogenation4) hydration

3. Homologues are

1) benzene and styrene2) toluene and ethylbenzene3) benzene and phenol4) toluene and methylbenzene

4. The greatest formation of soot is accompanied by combustion

1) hexane2) cyclohexane3) hexene4) benzene

1) WITH 8 N 18 2) WITH 8 N 10 3) WITH 8 N 16 4) WITH 8 N 14

6. Toluene is a member of the homologous series

1) phenol2) benzene3) methanol4) styrene

7. A representative of the homologous series of benzene is

1) toluene2) phenol3) styrene4) methanol

8. In the chain of transformations:

the final product "X 4 " is

1) benzoic acid2) toluene3) 4-chlorotoluene4) 4-chlorobenzoic acid

9. In the diagrammethane → X → benzene connection "X " is

1) Chloromethane2) Ethylene3) Hexane4) Etin

10. Toluene and ethylbenzene are

1) homologues2) structural isomers

3) geometric isomers4) the same substance

11. Match the name of a substance with the formula of its homologue

methylcyclobutane

toluene

isobutane

2,2 - dimethylhexane

WITHH 3 - WITH(CH 3 ) 2 - WITHH 3

CH 3 –CH(CH 3 ) – CH 2 –CH(CH 3 ) – CH 3

IN)

C 4 H 7 –C 2 H 5

CH 3 –CH 2 –CH(CH 3 ) – CH 3

WITH 6 H 5C 2 H 5

12. Benzenedoesn't interact With

1) nitric acid 2) bromine3) hydrogen bromide4) oxygen

13. Benzene undergoes a substitution reaction with

1) bromine and nitric acid2) oxygen and sulfuric acid

3) chlorine and hydrogen4) nitric acid and hydrogen

14. Both ethylene and benzene are characterized by:

1) hydrogenation reaction 2) the presence of only π-bonds in molecules

3) sp2 hybridization of carbon atoms in molecules 4)

5) interaction with ammonia solution silver (I) oxide 6) combustion in air

15. In the molecule of which substance are all carbon atoms in a state of sp2 hybridization?

1) hexane 2) hexene 3) ethane 4) benzene

16. From the listed substances, select two substances for which a substitution reaction with chlorine is possible.

1) propene2) ethane3) butine-24) benzene5) carbon tetrachloride

Write down the numbers under which they are indicated.

17. Are the following statements about benzene true?

A. Benzene decolorizes bromine water.

B. Benzene undergoes a substitution reaction with nitric acid.

1) only A is correct2) only B is correct3) both judgments are correct4) both judgments are wrong

18. In a given transformation scheme

1) HCl2) NaCl3) Cl 2 4) CH 3 Cl5) CH 3 OH

19. In a given transformation scheme

substances X and Y are respectively

1) benzoic acid2) chlorobenzene3) nitrobenzene4) ethylene5) acetylene

20. In a given transformation scheme

substances X and Y are respectively

1) CH 4 2) CH 3 Cl3) KMnO 4 (H + ) 4) HNO 3 5) HCOOH

21. A homologue of benzene is a substance whose formula is

1) WITH 7 N 8 2) WITH 6 N 12 3) WITH 9 N 16 4) WITH 8 N 18

22. Both butane and benzene react with

1) hydrogen2) bromine water3) oxygen4) hydrogen chloride

23. Ethylbenzene is characterized by:

1) sp -hybridization of all carbon atoms in the molecule2) flat shape of the entire molecule

3) hydrogenation reaction4) interaction with water

5) interaction with chlorine6)

24. Each of two substances interacts with toluene:

1) H 2 OAndCH 3 Cl2) CH 4 AndHNO 3 3) HClAndH 2 SO 4 4) H 2 and Cl 2

25. Toluene, unlike benzene,

1) undergoes hydrogenation2) oxidized by air oxygen

3) reacts with chlorine (in the presence of AlCl 3 ) 4) oxidized with potassium permanganate solution

26. During the catalytic hydrogenation of toluene,

1) benzene2) cyclohexane3) methylcyclohexane4) hexane

27. To obtain cyclohexane from benzene, use the reaction

1) dehydrogenation2) halogenation3) hydrogenation4) hydration

28. Discolors bromine water

1) benzene2) toluene3) cyclohexane4) styrene

29. Reacts with hydrogen bromide

1) benzene2) toluene3) styrene4) 1,3,5-trimethylbenzene

30. Benzene can be obtained by trimerization reaction

1) cyclohexane2) ethane3) ethylene4) acetylene

31. Each of two substances interacts with toluene:

1) CH 3 OH and Ag 2 O2) KMnO 4 and H 2 3) Cl 2 and NaOH4) HNO 3 and CH 3 OCH 3

32. Toluene, unlike benzene,

1) does not burn in air2) reacts with KMnO solution 4

3) enters into hydrogenation reactions4) reacts with bromine in the presence of a catalyst

33. An isomer of benzene is a compound whose formula is

1) C6 H5− CH= CH− CH3

2) CH3− CH− C≡ C− CH− CH3

3) CH2= CH− CH2− CH2− CH2− CH3

4) CH2=CH−C≡C−CH=CH2

34. Benzene reacts with each of two substances:

1) WITH 2 N 5 OH and N 2 2) HNO 3 and HBr3) H 2 O and O 2 4) CH 3 Cl and Br 2

35. Benzene reacts with each of two substances:

1) H 2 , HBr 2) Br 2 (rr) ,HCHO 3) H 2 O, O 2 4) НNO 3 , Br 2

36. Benzene is able to interact with each of two substances:

1) H 2 and HBr2) HNO 3 and KMnO 4 3) C 2 H 5 Cl and HNO 3 4) CH 3 OH and C 2 H 6

37. Chlorobenzene is formed when benzene reacts with

1) chlorine (UV)2) chlorine (FeCl 3 ) 3) hydrogen chloride4) chloromethane

38. When hydrogen reacts with benzene, it forms

1) toluene2) hexanol-13) acetylene4) cyclohexane

39. Toluene can be formed during aromatization (dehydrocyclization)

1) 2-methylhexane2) octane3) 2-methylheptane4) hexane

40. In the transformation scheme C 2 N 2 →X →C 6 N 5 NO 2 substance "X " is

1) hexane2) ethanol3) ethylene4) benzene

41. Establish a correspondence between the name of the compound and the general formula of its homologous

propene

isoprene

IN)

nonan

benzene

C n H 2 n +2

C n H 2 n

C n H 2 n –2

C n H 2 n –4

C n H 2 n –6

42. Both acetylene and toluene are characterized by:

1) polymerization reaction2) sp 2 -hybridization of carbon atoms in a molecule

3) oxidation with potassium permanganate4) halogenation reaction

5) the presence of σ- and ππ-bonds in molecules6) high solubility in water

43. Write reaction equations that can be used to carry out the following

transformations:

44. In the transformation scheme: C 2 H 2 → X → C 6 H 5 Cl substance "X" is

1) ethylene2) bromoethane3) ethanal4) benzene

45. Write reaction equations that can be used to carry out the following transformations

Na 300 o , Pt KMnO 4, H 2 SO 4, t °

Cyclopropane →1-bromopropane → X 1 → X 2 → toluene --------------→ X 3

46. Toluene reacts with

1) hydrogen2) water3) zinc

4) nitric acid5) hydrogen chloride6) chlorine

47. Are the following statements about the properties of aromatic hydrocarbons true?

A. Benzene decolorizes the potassium permanganate solution.

1) only A is correct2) only B is correct3) both judgments are correct4) both judgments are wrong

48. Similarity chemical properties benzene and saturated hydrocarbons manifests itself in the reaction

1) WITH 6 N 6 + 3 H 2 → C 6 H 12 2) WITH 6 N 6 + C 2 H 4 → C 6 H 5 – C 2 H 5

3) WITH 6 N 6 + 3Cl 2 → C 6 H 6 Cl 6 4) WITH 6 N 6 + Br 2 → C 6 H 5 Br+ NBr

49. In the scheme of transformationsC 6 H 5 CH 3 → X → C 6 H 5 – CH 2 – OHsubstance "X" is

1) C 6 H 5 OH2) C 6 H 5 –CH 2 Cl3) C 6 H 5 Cl4) C 6 H 5 COOH

50. Ethylene and benzene are characterized by:

1) hydrogenation reaction2) the presence of only π-bonds in molecules

3) sp 2 -hybridization of carbon atoms in molecules4) high solubility in water

5) interaction with an ammonia solution of silver oxide (I) 6) combustion in air

51. Benzene undergoes a substitution reaction with

1) bromine and nitric acid2) oxygen and sulfuric acid

3) chlorine and hydrogen4) nitric acid and hydrogen

52. Benzenedoesn't interact With

1) nitric acid2) bromine3) hydrogen bromide4) oxygen

53. In the scheme methane →X→ benzene compound "X " is

1) chloromethane2) ethylene3) hexane4) ethin

54. Toluene and ethylbenzene are

1) homologues2) structural isomers

3) geometric isomers4) the same substance

55. Hexachlorocyclohexane is formed as a result of the interaction

1) chlorine and benzene2) chlorine and cyclohexane

3) hydrogen chloride and benzene4) chlorine and hexane

56. In the chain of transformations:

the final product "X 4 " is

1) benzoic acid2) toluene3) 4-chlorotoluene4) 4-chlorobenzoic acid

57. Both benzene and cyclohexane react with

1) bromine water 2) chlorine 3) potassium permanganate solution

4) nitric acid 5) ammonia

58. Are the following statements about the properties of aromatic hydrocarbons correct?

A. Benzene decolorizes a solution of potassium permanganate.

B. Toluene undergoes a polymerization reaction.

1) only A is correct2) only B is correct

3) both judgments are correct4) both judgments are wrong

Test on the topic "Arenas"
Option #1
1) What general formula corresponds to the homologous series of aromatic hydrocarbons
a) СnН2n b) СnН2n+2 c) СnН2n–2 d) СnН2n–6
2) Indicate which judgment is correct: A) The benzene ring is a cyclic group; B) The benzene molecule has the structure of a regular triangle.

3) Benzene at room temperature is:
a) Colorless liquid b) Solid c) Gas d) Plasma

b)
13 EMBED ChemWindow.Document 1415