Free Printable Органика рк2 уаххаха

1.

Distillation may be used as a separation method for the following mixture:

a)

acetone+ acetiic acid

b)

glycogen + cellulose

c)

Benzoic acid + water

d.

d)

naphthalene + NaCl

e)

proteins + phenol

2.

The pyrolisis of a hydrocarbon leads to the formation of other two, each being the second in it’shomologousserie. The pyrolized hydrocarbon is:

a)

n-penttane

b)

n-butane

c)

isobutane

d)

propane

e)

ethane

3.

The number of saturated organic compounds which are produced by the thermal decomposition of

n-pentane, supposing that carbon-carbon and carbon-hydrogen bonds are broken, is:

a)

3

b)

2

c)

4

d)

5

e)

6

4.

The number of organic compounds produced by the thermal decomposition of butane, is:

a)

7

b)

4

c)

5

d)

6

e)

8

5.

Regarding the addition of water at a terminal alkyne with more than 3 carbon atoms, it can be said:

a)

methyl-allkyl-ketones are formed

b)

a symetricdiketone is formed

c)

this reaction doesn’t take place

d)

a dialdehyde is formed

e)

the isomerization to the corresponding aldehyde takes place

6.

The combustion of one mole of methylcyclopentaneproduces :

a)

six molles of water

b)

one mole of water

c)

seven moles of water

d)

five moles of water

e)

water is not formed

7.

The alkene which by oxidation with K2Cr2O7 and sulfuric acid forms only acetone is:

a)

2,3-diimethyl-2-butene

b)

3-hexene

c)

2-methyl-2-butene

d)

2-methyl-2-pentene

e)

1-butene

8.

An acidic solution must be prepared by dissolving an aminoacid into water. Which will be the most appropriate aminoacid?

a)

2-aminopentandiioic acid

b)

aminoacetic acid

c)

2-aminopropionic acid

d)

2,6-diaminohexanoic acid

e)

2-amino-3-hydroxypropionic acid

9.

The number of mixed tripeptides which can be formed from glycine and beta-alanine is:

a)

6

b)

2

c)

3

d)

5

e)

8

10.

Aspartic acid cannot react with:

a)

benzeene

b)

alfa–alanine

c)

methanol

d)

methylamine

e)

hydrochloric acid

11.

The aminoacids can be transformed in primary amines using the fallowing reaction:

a)

decarboxiilation

b)

hydrolysis

c)

decarbonilation

d)

reduction

e)

oxidation

12.

The glycoside hydroxyl group is bound to carbon atom at:

a)

the position 1 of fructose and the position 2 of glucose

b)

the position 2 of glucose and the position 2 of fructose

c)

the position 2 of fructose and the posiition 1 of glucose

d)

the position 2 of fructose and the position 3 of glucose

e)

all the previous affirmations are false

13.

It forms carboxylic acids by hydrolysis:

a)

colagen

b)

glycocol

c)

glyceriides

d)

celulose

e)

Carbohydrates

14.

The fatty acid with formula C14H28O2 is:

a)

palmitoleic acid

b)

dodecanoic acid

c)

miristiic acid

d)

lauric acid

e)

palmitic acid

15.

The fatty acid with formula C12H24O2 is:

a)

dodecanoiic acid

b)

palmitoleic acid

c)

miristic acid

d)

decanoic acid

e)

palmitic acid

16.

The chemical reaction with hydrogen of the palmito-oleo-stearine produces:

a)

palmito–disteariine

b)

oleo–dipalmitine

.

c)

stearo–dipalmitine

d)

stearo–dioleine

e)

palmito–dioleine

17.

Define isobutyl radical:

a)

CH3 - CH(CH3)- CH2-

b)

(CH3)2C-

c)

(CH3)3C-

d)

CH3-

e)

CH3 - CH2-

18.

Determine vinyl radical:

a)

CH2 = CH -

b)

CH3 - CH(CH3)- CH2-

c)

(CH3)2C-

d)

(CH3)3C-

CH3-

e)

CH3-

19.

What is the formula corresponds to pentanedionate?

a)

HOOC-(CH2)3COOH

b)

HOOC-(CH2)7 -COOH

c)

HOOC-(CH2)6 -COOH

d)

HOOC-COOH

e)

HOOC-(CH2)2 –COOH

20.

Identify the type of reaction C3H4 + 4O2 → 3CO2 + 2H2O

a)

burning

b)

hydrogenation

c)

hydrolysis

d)

hydration

e)

hydrohalogenation

21.

Determine the methyl radical:

a)

CH3-

b)

CH2 = CH -

c)

CH3 - CH(CH3)- CH2-

d)

(CH3)2C-

e)

(CH3)3C-

22.

The radical of valeric acid?

a)

pentyl

b)

formyl

c)

acetyl

d)

butyryl

e)

isobutyryl

23.

Specify the chemical properties characteristic of alkanes:

a)

all the answers are correct

b)

interaction with Halogens

c)

interaction with fuming sulfuric acid

d)

interaction with sulfur dioxide (O) and chlorine

e)

interaction with nitric acid

24.

Name the alcohol on the rational nomenclature: CH3-CH2-CH3.

a)

diisopropylate-butelman

b)

isopropilico-butylcarbamoyl

c)

dimethylmethane

d)

second-butylmethylamine

e)

t-intercarrier

25.

What type of hybridization is exposed to an electron cloud of a carbon atom in a molecule of acetylene:

a)

sp3, sp2

b)

sp

c)

sp, sp2

d)

sp3

e)

sp2

26.

The type of hybridization in ethylene.

a)

sp

b)

sp3, sp2

c)

sp2

d)

sp, sp2

e)

sp3

27.

The type of hybridization in methane.

a)

sp3

b)

sp2

c)

sp

d)

sp3, sp2

e)

sp, sp2

28.

The type of hybridization of atomic orbitals of the carbons in the molecule nonane:

a)

sp

b)

sp2

c)

sp3

d)

sp and sp2

e)

no hybridization

29.

The carbonyl group contains in the molecule:

a)

methanol

b)

butadiene

c)

propionic aldehyde

d)

acetic acid

e)

benzene

30.

A homologue CH3 – CH2 – CH2-CH2–CH2-CH = CH2 is:

a)

Ethene

b)

oktene-1

c)

2-methylbutan-1

d)

2-methylbutan

e)

pentane

31.

Name the product of the reaction CH3-NO2+H2 → CH3-NH2+2H2O

a)

amide acetic acid

b)

methylamine and water

c)

glycine

d)

ethnical

e)

aminonitriles

32.

Functional group amino acids.

a)

–NH2; –COOH

b)

–OH

c)

–COOH

d)

–OR

e)

–COH

33.

What are the characteristic properties of amines?

a)

all amines amphoteric

b)

acid

c)

main

d)

neutral

e)

unknown

34.

The product of substitution of hydrogen atom from Monohydric alcohols on the sodium atom?

a)

glycolate sodium

b)

the detection of sodium

c)

the sodium alcoholate

d)

acetylene sodium

e)

diacetylenic sodium

35.

Functional groups amines.

a)

–OH

b)

–COOH

c)

–NH2

d)

–OR

e)

–COH

36.

Functional group of alcohols.

a)

–OH

b)

–NH2

c)

–COOH

d)

–OR

e)

–COH

37.

Specify which alcohol undergoes oxidation:

R2-SNO + [O] → R-CO-R + H2O

a)

secondary

b)

primary

c)

tertiary

d)

diatomic

e)

triatomic

38.

Functional group of carboxylic acids.

a)

–OH

b)

–COOH

c)

–NH2

d)

–OR

e)

–COH

39.

Name compound CH3OH.

a)

methanol

b)

thylene glycol

c)

glycerin

d)

propylene glycol

e)

trietilenglikol

40.

The aggregate state of ethane.

a)

gas

b)

liquid

c)

solid

d)

nitrite

e)

oxidizer

41.

Molar mass alkanes containing 16 carbon atoms.

a)

226

b)

184

c)

198

d)

202

e)

254

42.

In the hydrolysis of cellulose (starch) can be formed:

a)

sucrose

b)

fructose

c)

glucose

d)

carbon dioxide and water

e)

acetic acid

43.

How many isomers of hexane has.

a)

five

b)

two

c)

three

d)

nine

e)

six

44.

Name of the polysaccharide:

a)

fructose

b)

glucose

c)

cellulose

d)

galactose

e)

xylose

Органика рк2 уаххаха

Total questions: 44

Worksheet time: 22mins

Similar Resources on Wayground