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22 ~ Organic Chemistry Test Review

Total questions: 62

Worksheet time: 34mins

Name
Class
Date
1.

In saturated hydrocarbons, carbon atoms are bonded to each other by

a)

single covalent bonds, only

b)

double covalent bonds, only

c)

alternating single and double covalent bonds

d)

alternating double and triple covalent bonds

2.

Which hydrocarbon is saturated?

a)

propene

b)

ethyne

c)

butene

d)

heptane

3.

Identify the homologous series of hydrocarbons to which CH3CHCH2 belongs.

a)

alkanes

b)

alkenes

c)

alkynes

d)

none of these

4.

Which formula represents an unsaturated hydrocarbon?

a)

C2H6

b)

C5H8

c)

C3H8

d)

C6H14

5.

How many hydrogen atoms are present in one molecule of octane?

a)

8

b)

16

c)

14

d)

18

6.

Which formula represents a hydrocarbon?

a)

CH3CH2CH2CHO

b)

CH3CH2CH2CH3

c)

CH3CH2CH2COOH

d)

CH3CH2COOCH3

7.

Which general formula represents the homologous series of hydrocarbons that includes the compound 1-heptyne?

a)

CnH2n–6

b)

CnH2n

c)

CnH2n–2

d)

CnH2n+2

8.

How many pairs of electrons are shared between two adjacent carbon atoms in a saturated hydrocarbon?

a)

1

b)

2

c)

3

d)

4

9.

A molecule of an unsaturated hydrocarbon must have

a)

at least one single carbon-carbon bond

b)

at least one multiple carbon-carbon bond

c)

two or more single carbon-carbon bonds

d)

two or more multiple carbon-carbon bonds

10.

Which formula represents an alkene?

a)

C2H6

b)

C3H6

c)

C4H10

d)

C5H12

11.
Hydrocarbons are compounds that contain
a)
  Carbon and Nitrogen
b)
Carbon and Hydrogen 
c)
  Carbon, and Oxygen
d)
Carbon, Oxygen, and  Hydrogen 
12.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen
13.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
14.
The following compounds have a molecular formula of
a)
CnH2n+2
b)
CH4
c)
C6H14
d)
CH3CH2CH2CH2CH2CH3
15.

This prefix means 7

a)

but

b)

hept

c)

hex

d)

non

16.

How many carbons are in the longest chain?

a)

7

b)

8

c)

9

d)

10

17.

Name this molecule:

a)

methane

b)

ethane

c)

propane

d)

butane

18.

Name the compound

a)

3,4-dimethylpentane

b)

3,4-dimethylpentane

c)

2,3-methylpentane

d)

2,3-ethylpentane

e)

2,3-dimethylpentane

19.

The structure of 3-ethyl-2-methylheptane is

a)
b)
c)
d)

none of the above

e)

all are correct

20.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
21.
Are the compounds shown isomers
a)
Yes
b)
No
22.

The three isomers of pentane have different

a)

formula masses

b)

molecular formulas

c)

empirical formulas

d)

structural formulas

23.

Is the name of triple bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Tanins

24.

is the alkene with 3 carbons in its chain.

a)

Ethene

b)

Propene

c)

Methene

d)

Decene

25.

Is the simplest alkane

a)

Ethane

b)

Methane

c)

Propane

d)

Decane

26.

What is the correct name for the alkyne shown?

a)

butyne

b)

1-butyne

c)

2-butyne

d)

1-methyl-1-propyne

27.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
28.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
29.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

30.

How many chemical bonds can each carbon atom form?

a)

one

b)

two

c)

three

d)

four

31.

The functional group —COOH is found in

a)

esters

b)

alcohols

c)

aldehydes

d)

organic acids

32.

The compounds CH3OCH3 and CH3CH2OH have different functional groups. Therefore, these compounds have different

a)

chemical properties

b)

gram-formula masses

c)

percent compositions by mass

d)

numbers of atoms per molecule

33.

Functional groups are used to classify

a)

organic compounds

b)

inorganic compounds

c)

heterogeneous mixtures

d)

homogeneous mixtures

34.

Given a formula of a functional group:

An organic compound that has this functional group is classified as

a)

an acid

b)

an ester

c)

an aldehyde

d)

a ketone

35.
What is the functional group of an alcohol?
a)
-COO-
b)
-COOH
c)
-C=C-
d)
-OH
36.
What is the functional group of a carboxylic acid?
a)
-COO-
b)
-COOH
c)
-C=C-
d)
-OH
37.
What is the functional group of a carboxylic acid?
a)
-COO-
b)
-COOH
c)
-C=C-
d)
-OH
38.
Which functional group is present in this molecule? 
a)
alcohol only 
b)
alcohol and amine
c)
aldehyde and amine
d)
alcohol and aldehyde
39.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
40.
Name the compound
a)
3-methyl-2-pentene
b)
2-ethyl-2-butene
c)
3-ethyl-2-butene
d)
1,1-dimethyl-propene
41.
Classify the compound based on the functional group present.
a)
amine
b)
amide
c)
ether
d)
ester
42.
Classify the compound based on the functional group present.
a)
Amine
b)
Amide
c)
Aldehyde
d)
Ether
43.
Classify the compound based on the functional group present.
a)
carboxylic acid
b)
aldehyde
c)
alcohol
d)
ether
44.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
45.
Classify the compound based on the functional group present.
a)
alcohol
b)
ketone
c)
ester
d)
ether
46.

Name this compound.

a)

Butanol

b)

Butene

c)

Oxybutanol

d)

Butanoic acid

47.

Name this compound.

a)

Nitroethane

b)

Ethylamine

c)

Aminoethane

d)

Ethamine

48.

Which of the following TWO compounds are isomers (same chemical formula but different structure)?

a)
b)
c)
d)
49.

Which of the following TWO compounds are isomers (same chemical formula but different structure)?

a)
b)
c)
d)
50.

Which compound is an isomer of pentane?

a)

butane

b)

methyl butane

c)

propane

d)

methyl propane

51.

Which pair of compounds are isomers?

a)

NO2 and N2O4

b)

P2O5 and P4O10

c)

HCOOH and CH3COOH

d)

CH3OCH3 and C2H5OH

52.

The three isomers of pentane have different

a)

formula masses

b)

molecular formulas

c)

empirical formulas

d)

structural formulas

53.

The compounds CH3OCH3 and CH3CH2OH are isomers of each other. These two compounds must have the same

a)

density

b)

melting point

c)

reactivity

d)

molecular formula

54.

Two substances have different physical and chemical properties. Both substances have molecules that contain two carbon atoms, one oxygen atom, and six hydrogen atoms. These two substances must be

a)

isomers of each other

b)

isotopes of each other

c)

the same compound

d)

the same hydrocarbon

55.

A sample composed only of atoms having the same atomic number is classified as

a)

a compound

b)

an element

c)

a solution

d)

an isomer

56.

Which two compounds are isomers of each other?

a)

CH3CH2COOH and CH3COOCH2CH3

b)

CH3CH2CHO and CH3COCH3

c)

CH3CHBrCH3 and CH2BrCHBrCH3

d)

CH3CHOHCH3 and CH3CHOHCH2OH

57.

The two isomers of butane have different

a)

formula masses

b)

molecular formulas

c)

empirical formulas

d)

structural formulas

58.
Are the compounds shown isomers
a)
Yes
b)
No
59.

Which formulas represent butane or its isomer?

(1) CH3(CH2)2CH3

(2) CH3CH(CH3)CH3

(3) (CH3)3CH

a)

1 and 2 only

b)

1 and 3 only

c)

2 and 3 only

d)

1 , 2 and 3

60.

Which of the following is a structural isomer of the molecule shown above?

a)
b)
c)
d)
61.

All of the following are chain isomers of each other, except one. Which is the exception?

a)
b)
c)
d)
62.
Are the following molecules isomers?
a)
Yes
b)
No

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