D) Aldotriose. D) 1,4-dibromo-2-methyl-2butene.

I) Alcohol.

D) 1,4-dibromo-2-methyl-2butene.

D) degree of polymerization.

D) 2-bromo-2-butene.

A) 1-bromo-2-butene

C) 3-2-4-1.

D) 2,3-dimethyl-4-pentene.

C) 1,1,4,4,- tetramethylpenthan

D)cyclic structure.

10. How many quarternary atoms of carbon is presented in following skeleton:

CH₃

½

H₃C – C – CH₃

½

CH₃

d) 1;

e) 2;

f) 3;

d) 4.

CH₃ CH₃

½ ½

11. Compound having structure formula CH₃ – CH₂ – C – CH₂ – CHis called:

½ ½

CH₃ CH₃

a) 2,4,4-treemethylhexan;

b) 3,3,5,5-tetramethylpenthan;

d) 2,4,4–treemethyl-2-ethylbutan.;

12. Compound having structure formula CH₃ – CH₂ – CH – CH₃ is called:

½

CH₃ – CH₂ – CH – CH₃

a) 3.4-dimethylhexan;

b) 3-methyl-4-propylpenthan;

c) 3.4-dimethylheptan;

d) –methyl-4-ethylpentan.

12. The compound having the constitutional formula CH₃ – CH – CH – CH₃ is called ½ ½

CH₃ – CH=CH₂

a) 3,4-dimethyl-1-pentene;

b) 2-vinyl-3-methylbutane;

c) 3.4-dimethylheptan;

13. What of the following enumerated subjects: Cl₂, HCl; Br₂; H₂O, HBr react with butilen

a) all enumerated substances;

b) HCl and; H₂O;

c) Br₂ and Cl₂;

_d) HCl and Br₂

14. What kind of these reactions submit to Markovnikov’s rule:

15. Define in the middle these structure formulas identical on writing hydrocarbons:

1) C

½

C – C – C – C – C

2) C C

½ ½

C – C – C

3) C – C – C – C

½

C

4) C – C – C – C - C

½

C

a) 2 and 3

b) 2 and 1

c) 1 and 3

d) 2 and 4

16. What of matters, witch formulas are given below, are a cis-trance isomers?

1) H H 2) H - C = C - H

½ ½ ½ ½

H - C – C – H Cl Cl

½ ½

Cl Cl Cl

½

1) H Cl 4) H - C = C - H

½ ½ ½

H - C – C – H Cl

½ ½

Cl H

a) 2 and 4;

b) 1 and 3;

c) 2 and 3;

d) 1 and 4

17. The constitution of acetylene molecule is:

a) linear;

b) plane;

c) angular;

d) tetrahedral.

18. The chemical activity of hydrocarbons

1) H₂C = CH_{2 ;} 2) H₂C = CH – CH = CH₂;

3) CH ºCH; 4)C₆H₆ in reaction with bromine decreases in a following succession

a) 3-1-2-4;

b) 4-3-2-1;

b) 2-3-1-4;

19. What product will predominantly be obtained at addition of the molecule of hydrogen bromide to 1,3-butadiene?

b) 4-bromo-1-butene;

c) 2-bromo – 1-butene;

20. Natural rubber and gutta-percha differ from each other with:

a) various space constitution (Cis-Trance);

b) sort of initial monomer;

c) presence of disulphide links;

21. Among the following bellow matters of constant melting point has no:

a) 1,3-butadiene;

b) butane;

c) cyclohexane;

d) polypropylene

22. What product will predominantly be obtined at addition of one molecule of bromine to isoprene:

a) 1,4-dibromo-2-methyl-2butene;

b) 2,3-dibromo-2-methyl-2-butene;

c) 3,4-dibromo-3-methyl-1butene;

23. The atomic orbital of carbon atoms, which form a triple bond, have the type of hybridization

e) sp;

f) sp²;

g) sp³;

h) sp³d¹

24. Carbohydrate with an ketone group are called:

a) Ketose;

b) Aldose;

c) Aldehydes;

25. The compound with structure formula given following is called:

O

½½

CH₂ – CH – CH – CH – C – CH – CH₂

½ ½ ½ ½ ½ ½

OH OH OH OH OH OH

a) 3-ketoheptose;

b) 3-aldose;

c) 5-ketoheptose;

26. The compound with structure formula given following is called:

O

½½

CH₂ – CH – CH – CH – C –CH₂

½ ½ ½ ½ ½

OH OH OH OH OH

a) 2-ketohexose;

b) 3-aldose;

c) 2-ketoheptose;

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