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Worksheets

O-Chem

Total questions: 81

Worksheet time: 20hrs 15mins

Name
Class
Date
1.

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

2.

What functional group is -OH

a)

Hydroxyl

b)

Carboxyl

c)

Amino

d)

Carbonyl Ketone

3.
Classify the compound based on the functional group present.
a)
carboxylic acid
b)
aldehyde
c)
alcohol
d)
ether
4.

Classify the compound based on the functional group present.

a)

alkane

b)

alkene

c)

alkyne

5.

Classify the compound based on the functional group present.

a)

aldehyde

b)

ketone

c)

alcohol

d)

carboxyl

6.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
7.

Classify the compound based on the functional group present.

a)

alkane

b)

alkene

c)

alkyne

d)

aromatic

8.

Identify the functional groups present in this compound.

a)

amine

b)

amide

c)

ether

d)

ester

9.

hydroxyl group

a)
b)
c)
10.

carboxyl group

a)
b)
c)
11.

amine group

a)
b)
c)
12.

name the group that has a single bond

a)

alkenes

b)

alcohols

c)

alkanes

d)

ethers

13.

molecules with double/tripple bond

a)

carbocilic acids

b)

alkynes

c)

unsaturated fats

d)

saturated fats

14.

the name of this compaund C4H10

a)

METHANE

b)

HEXENE

c)

BUTANOIC ACID

d)

BUTANE

15.

which compound is made up of carbons and hydrogen

a)

hydrocarbons

b)

aldehytes

c)

condensed structure

d)

alcohols

16.

molecule with the same molecular structure but different structural formula

a)

fats

b)

lipids

c)

fossil fuels

d)

isomers

17.

what are the outer most electrons called

a)

energy level

b)

valence

c)

valency

18.

which bond does carbon mostly form

a)

hydrogen bond

b)

dipole-dipole

c)

covalent bond

19.

give the IUPAC NAME OF THIS STRUCTURAL FORMULAR C6H14

a)

HEXANE

b)

HEXANOL

c)

HEXANOIC ACIT

20.

Which homolgous series contains a C=C double bond?

a)

alkanes

b)

alkenes

c)

alcohols

d)

carboxylic acids

21.

Which homolgous series contains only C-C single bonds?

a)

alkanes

b)

alkenes

c)

alcohols

d)

carboxylic acids

22.

-COO is the functional group for...

a)

alcohols

b)

esters

c)

carboxylic acids

d)

amides

23.

Name the polymer formed from this monomer

a)

chloroethene

b)

chloroethane

c)

dichloroethene

d)

dichloroethane

24.

Name the monomer that forms this polymer

a)

ethane

b)

ethanol

c)

ethene

d)

methene

25.
All organic compounds contain the element
a)
carbon
b)
nitrogen
c)
phosphorus
d)
sulfur
26.
what kind of molecule is this?
a)
alkane
b)
alkene
c)
alkyne
d)
cycloalkane
27.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
28.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
29.
What is the prefix for four carbons?
a)
meth-
b)
but-
c)
prop-
d)
eth-
30.

What is the suffix for all single bonded hydrocarbons?

a)

-yne

b)

-ene

c)

-ane

d)

-one

31.

Give the name of this compound...

C3H8

a)

Propene

b)

Butyne

c)

Butene

d)

Propane

32.

Which compound belongs to the alkene family?

a)

C2H2

b)

C2H4

c)

C6H6

d)

C6H14

33.

Select the correct name of the following formula. C6H10

a)

Hexane

b)

Hexene

c)

Hexanol

d)

Hexyne

34.

Select the formula for the following name: Octene

a)

C8H16

b)

C8H14

c)

C8H18

d)

C8H15OH

35.

Select the formula for the following name: Butanol

a)

C4H9OH

b)

C4H10OH

c)

C4H10

d)

C4H7OH

36.

Which of the following is the correct formula for a pentyne?

a)

C5H8

b)

C5H10

c)

C5H12

d)

C5H7OH

37.

General formula for amines is

a)

R-CH2

b)

R2CH

c)

R-NH2

d)

R-COOH

38.

Classify the compound based on the functional group present.

a)

Ether

b)

Ketone

c)

Ester

d)

Carboxylic acid

39.

Classify the compound based on the functional group present.

a)

Ketone

b)

Carboxylic acid

c)

Ester

d)

Ether

40.
Name the compound.
a)
hexane
b)
2,3-dimethylbutane
c)
ethylbutane
d)
2,2-dimethylbutane
41.
How many carbons are in the longest chain of the following molecule:
a)
11
b)
10
c)
9
d)
8
42.
How many carbons are in the backbone (longest chain) of this organic compound: 2,2-dimethylhexane
a)
1
b)
2
c)
6
d)
7
43.
Name the following
a)
Heptane
b)
Cycloheptane
c)
Hexane
d)
Cyclohexane
44.
Name the compound.
a)
nonene
b)
2,2-dimethyl-3-heptene
c)
1,1,5-trimethyl-2-hexene
d)
2,6-dimethyl-3-heptene
45.
Which compound belongs to the alkene family?
a)
C2H2
b)
C2H4
c)
C6H6
d)
C6H14
46.
Name this molecule:
a)
trifluoro-1-methylmethane
b)
1,1,1-trifluoromethane
c)
trifluorethane
d)
1,1,1-trifluoroethane
47.

When one adds Br2 to propene this compound is formed, what is this compounds name?

a)

2,3-dibromopropane

b)

1,3-dibromopropene

c)

1,4-dibromopropane

d)

1,2-di-bromopropane

48.

What is this compound called?

a)

Cyclo-Hexane-ol

b)

Cyclo-Pentan-ol

c)

Cycle-Hexanol

d)

Cyclo-Hexanol

49.

Name this compound.

a)

5-bromo-4-methyl-5-6dimethyl-octane

b)

3-bromo-2,6-dimethy- 4-ethyl-octane

c)

5-ethyl-2-6-dimethyl-3-bromo-octane

d)

3-bromo-4-5-diethyl-octane

50.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
51.
What is the organic family for propane?  
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
52.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
53.
What is the organic family for propene (propylene)?  
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
54.
Explain, in terms of carbon-carbon bonds, why this hydrocarbon is saturated.
a)
The molecule has the maximum amount of hydrogen it can have.
b)
It is an alkane so it is saturated.
c)
There are only single bonds between the hydrogen and carbon.
d)
There are only single bonds between the carbon.
55.
Which formula represents an unsaturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
56.
Which formula represents a saturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
57.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
58.
If an alkane has 32 hydrogen atoms, how many carbon atoms does it have?
a)
64
b)
66
c)
15
d)
16
59.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
60.
How many hydrogen atoms are in propane
a)
4
b)
6
c)
8
d)
10
61.
How many hydrogen atoms are in ethane
a)
4
b)
6
c)
8
d)
10
62.
what kind of molecule is this?
a)
alkane
b)
alkene
c)
alkyne
d)
cycloalkane
63.
Organic compounds are compounds contain ______________.
a)
O
b)
C
c)
N
d)
S
64.
Which is an unsaturated hydrocarbon?
a)
C2H6
b)
C3H8
c)
C4H8
65.
Is this hydrocarbon saturated or unsaturated? 
a)
saturated
b)
unsaturated
66.
How many double bonds are in this compound?
a)
1
b)
6
c)
12
d)
5
67.
What is the formula for this compound?
a)
C5H12
b)
C3H6
c)
C4H9
d)
C5H13
68.
Name this alkyne.
a)
propyne
b)
butyne
c)
It has no name.
d)
ethyne
69.
How many carbon atoms are in butane?
a)
1
b)
2
c)
3
d)
4
70.
How many carbon atoms are in propane?
a)
1
b)
2
c)
3
d)
4
71.
What chemical is this? (C5H10)
a)
pentene
b)
pentane
c)
4-pentene
d)
4-methylpentane
72.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
73.

What is the correct prefix for a 6 carbon chain?

a)

oct-

b)

hex-

c)

hept-

d)

meth-

74.

Which is the correct prefix for 3-carbons

a)

but-

b)

hept-

c)

eth-

d)

prop-

75.

eth- is the prefix for _____ number of carbons?

a)

1

b)

2

c)

3

d)

4

76.

meth- is the prefix for _____ number of carbons

a)

1

b)

2

c)

3

d)

4

77.

Which prefix refers to the greatest number of carbons?

a)

oct-

b)

prop-

c)

hex-

d)

but-

78.

What is the main type of bond present in alkanes?

a)

1

b)

2

c)

3

d)

4

79.

What is the main type of bond present in alkynes?

a)

1

b)

2

c)

3

d)

4

80.

Which suffix indicates the presence of a hydroxyl (-OH) group?

a)

-e

b)

-al

c)

-oate

d)

-ol

81.

Which is not the suffix used when a halogen is present?

a)

chloro-

b)

phospho-

c)

iodo-

d)

bromo-