wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

ORGANIC COMPOUNDS.

Total questions: 40

Worksheet time: 52mins

Name
Class
Date
1.
Is this hydrocarbon saturated or unsaturated? 
a)
saturated
b)
unsaturated
2.

The first four alkanes are listed below. In which list are they placed in the correct order, i.e. increasing number of carbon atoms?

a)

methane, ethane, propane, butane

b)

ethane, methane, propane, butane

c)

methane, ethane, butane, propane

d)

methane, propane, ethane, butane

3.

Molecules with the same molecular structure but have different structural formulas are called...

a)

polymers

b)

biomolecules

c)

constitutional polymers

d)

isomers

4.

What is a functional group?

a)

Group of atoms that give specific characteristics to a molecule

b)

Group of molecules that give specific characteristics to an atom

c)

Group of molecules that make up a group of atoms

d)

Group of atoms that give specific characteristics to an element

5.

What is the IUPAC name for CH3CH2CH2CH2CHO ?

a)

A. pentan-1-ol

b)

B. pentanone

c)

C. pentanoic acid

d)

D. pentanal

6.

Which three compounds form part of a homologous series?

a)

A. C2H2, C2H4, C2H6

b)

B. CH3OH, C2H5OH, C3H7OH

c)

C. CH3CH2CH2CH2OH, CH3CH2CH(OH)CH3, CH3CH(CH3)CH2OH

d)

D. CH3CH2CHO, CH3COCH3, CH3CH2CH2OH

7.

Which of the following contribute to the low reactivity of alkanes?

I. The relatively strong C-H bond

II. The very low polarity of the C-H and C-C bonds

III. The tetrahedral shape of the molecules

a)

A. I and II only

b)

B. I and III only

c)

C. II and III only

d)

D. I, II and III

8.

Which reagent can be used to distinguish easily between an alkene and an alkane?

a)

A. Bromine water

b)

B. Acidified potassium dichromate solution

c)

C. Chlorine in ultraviolet light

d)

D. Sodium hydroxide solution

9.
Organic compounds are always based on what element?
a)
hydrogen
b)
water
c)
carbon
d)
arsenic
10.
How many hydrogens does butane have?
a)
6
b)
8
c)
10
d)
12
11.
How many hydrogens does propyne have?
a)
4
b)
6
c)
8
d)
10
12.
What functional group is found in the following molecule:
a)
alkene
b)

alkane

c)
halide
d)

alkyne

13.
what is the name of CCl4?
a)
carbon tetrachloride
b)
monocarbon tetrachloride
c)
tetracarbon monochloride
d)
carbon chloride
14.

How many isomers exist in the compound with the molecular formula of C4H10?

a)

2

b)

3

c)

4

d)

5

15.

DRAW STRUCTURE OF - METHYL CHLORIDE

16.

Draw 2 - methylbutane

17.

Draw structural isomers of pentane

18.

Draw 2- chloropentane

19.

Balance the combustion reaction:

__C4H10 + __O2 --> __H20 + __CO2

a)

2, 13, 10, 8

b)

1, 3, 7, 2

c)

2, 13, 8, 8

20.

Which of the structures is 2,2,4-trimethylpentane?

a)
b)
c)
d)
21.

Name the compound.

a)

3-methylpent-2-ene

b)

2-ethylbut-2-ene

c)

3-ethylbut-2-ene

d)

1,1-dimethyl-propene

22.

What happens if an alkane reacts with limited oxygen?

a)

Produced carbon dioxide and water

b)

Produced carbon monoxide and water

c)

Produced oxygen and water

d)

Produced soot and water

23.

What is the condition needed for substitution reaction with chlorine?

a)

presence of sunlight

b)

presence of red light

c)

presence of UV light

d)

all of the above

24.

Which of the following is NOT a product formed when methane reacts under the needed conditions with chlorine?

a)

CH3Cl

b)

CH2Cl2

c)

CHCl4

d)

CCl4

25.

What type of chemical reaction is this:

C3H8 + 5O2 --> 3CO2 + 4H2O

a)

Incomplete combustion

b)

Substitution with oxygen

c)

Complete combustion

d)

Substitution with chlorine

26.

What type of chemical reaction is this:

C3H8 + Br2 --> C3H7CBr + HBr

a)

Incomplete combustion

b)

Substitution with chlorine

c)

Complete combustion

d)

Substitution with bromine

27.

Which of the following can be used to distinguish between alkanes and alkenes?

a)

add a few drops of aqueous bromine

b)

add a few drops of Universal indicator

c)

add a piece of blue litmus paper

d)

add a piece of red litmus paper

28.

Which of the following is not a chemical properties of alkenes?

a)

combustion

b)

substitution

c)

addition reaction

d)

polymerisation

29.

Ethene reacts with acidified potassium manganate (VII) solution to form a product.

What is the name of this reaction ?

a)

halogenation

b)

hydrogenation

c)

hydration

d)

oxidation

30.

Which of the following can be used to distinguish between alkanes and alkenes?

a)

add a few drops of aqueous bromine

b)

add a few drops of Universal indicator

c)

add a piece of blue litmus paper

d)

add a piece of red litmus paper

31.

Which of the following statement is correct?

a)

Alkenes can turn aqueous bromine from reddish-brown to colourless.

b)

Alkenes can turn aqueous bromine from colourless to reddish-brown.

c)

Alkanes can turn aqueous bromine from reddish-brown to colourless.

d)

Alkanes can turn aqueous bromine from colourless to reddish-brown.

32.

Which of the following reactions apply to alkenes only

a)

cracking

b)

substitution

c)

addition

d)

combustion

33.

Which substance is only produced in incomplete combustion?

a)

CO

b)

CO2

c)

H2O

d)

NO2

34.

What other reactant and conditions are needed to turn an alkene into an alkane?

a)

steam and high temperature

b)

hydrogen, catalyst and high temperature

c)

bromine, catalyst and heat

d)

steam, high temperature and pressure

35.

What happens during bromination when aqueous bromine is added to an alkene?

a)

Effervescence produced.

b)

Solution remained red-brown.

c)

Colourless solution turned red-brown.

d)

Red-brown solution turned colourless.

36.
Complete combustion is when there is plenty of oxygen to react with. 
a)
True
b)
False
37.
What does incomplete combustion produce that complete combustion doesn't?
a)
Carbon monoxide
b)
Water
38.

What happens during bromination when aqueous bromine is added to an alkene?

a)

Effervescence produced.

b)

Solution remained red-brown.

c)

Colourless solution turned red-brown.

d)

Red-brown solution turned colourless.

39.

Name the reagent used for dehydrohalogenation reaction.

a)

alc. KOH

b)

aq. KOH

c)

ni/pd/pt

d)

conc. H2SO4

40.

Ethyne can be prepared from hydrolysis of

a)

calcium nitride

b)

calcium sulphide

c)

calcium bromide

d)

calcium carbide

Similar Resources on Wayground

Chem. Final Exam (Sem.2 ) Review

40 questions

Chem. Final Exam (Sem.2 ) Review

quiz

Worksheet

•

9th - 12th Grade

Chemical Bonding, Molecular Shapes, and Intermolecular Force

37 questions

Chemical Bonding, Molecular Shapes, and Intermolecular Force

quiz

Worksheet

•

10th - 11th Grade

Periodic Table And Trends

40 questions

Periodic Table And Trends

quiz

Worksheet

•

8th - 10th Grade

Atomic Structure & Nuclear Chemistry Review

42 questions

Atomic Structure & Nuclear Chemistry Review

quiz

Worksheet

•

10th - 12th Grade

Atomic structure and bonding

35 questions

Atomic structure and bonding

quiz

Worksheet

•

10th - 11th Grade

Honors Chemistry Final Exam (Part 1)

40 questions

Honors Chemistry Final Exam (Part 1)

quiz

Worksheet

•

9th - 12th Grade

Matter - Properties and Changes

36 questions

Matter - Properties and Changes

quiz

Worksheet

•

10th - 11th Grade

Review - Acids & Bases

40 questions

Review - Acids & Bases

quiz

Worksheet

•

10th Grade