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Alkanes, Alkenes & Alkynes

Total questions: 83

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Which two elements do all organic compounds contain?

a)

Carbon and hydrogen

b)

Carbon and oxygen

c)

Oxygen and hydrogen

d)

Carbon and nitrogen

2.

Alkane molecules are made of which elements?

a)

Carbon and hydrogen

b)

Carbon, hydrogen and oxygen

c)

Carbon and oxygen

d)

Carbon, nitrogen and hydrogen

3.

All molecules of the alkane homologous series have which ending in their name?

a)

-ane

b)

-ene

c)

-anol

d)

-anoic acid

4.

Which is the correct general formula for the alkanes?

a)

CnH2n+2

b)

CnH2n

c)

CnH2n+1OH

d)

CnH2n+1COOH

5.

Which type of bonding is present within organic molecules?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Hydrogen bond

6.

Is the chemistry of carbon.

a)

Inorganic Chemistry

b)

Organic Chemistry

c)

Analytical Chemistry

d)

Biochemistry

7.

What is the name of the process in which one orbital "S" and three orbitals "P" combined to form new orbitals?

a)

Combining

b)

Joining

c)

Hybridization

d)

Hydrozation

8.

What the name of the single bond compounds that formed saturated hydrocarbons?

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Alkones

9.

What is the name of the double bonded compounds, which are unsaturated?

a)

Alkanes,

b)

Alkenes.

c)

Alkynes

d)

Alkones

10.

What is the name of the triple bonded compounds which are unsaturated?

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Alkones

11.

This type of bond allows free rotation of the parts of the molecule with respect to each other

a)

Sigma bond

b)

Pi bond

c)

Covalent bond

d)

Electron bond

12.

Which bond is weaker and is more prone to chemical attacks?

a)

Pi bond

b)

Sigma bond

13.

How many carbon atoms are in propane?

a)

1

b)

2

c)

3

d)

4

14.

Which of the following shows the structure of ethene?

a)
b)
c)
d)
15.

Which of the following is a saturated hydrocarbon?

a)

ethene

b)

heptane

c)

propyne

d)

methanol

16.
Give the name of this compound...
C3H8
a)
Propene
b)
Butyne
c)
Butene
d)
Propane
17.

Why can carbon combine with itself to make substances that have very different properties? (ex. graphite and diamond).

a)

Because of carbon's 4 valence electrons it can form a variety of bonds with other carbons.

b)

Because carbon is polar it can combine in a variety of ways.

c)

Because carbon will either give or take 4 electrons so it can form various substances

d)

Because carbon forms cations it combines in various ways.

18.

What chemical reaction is this?

a)

Photosynthesis

b)

Cellular respiration

c)

Enzyme production

d)

Vitamin synthesis

19.

What chemical reaction is this?

a)

Photosynthesis

b)

Cellular respiration

c)

Enzyme production

d)

Vitamin synthesis

20.

What is the common name given to this alkyl branch?

a)

Propyl

b)

Methyl

c)

Isopropyl

d)

Ethane

21.

Which of the following prefixes represents "7"?

a)

prop-

b)

but-

c)

hept-

d)

pent-

22.

What is the common name for alkyl branch A in the image?

a)

sec-butyl

b)

propyl

c)

neopentyl

d)

isopropyl

23.

What is the prefix used when referring to ring structures?

a)

Pyro-

b)

Aro-

c)

Cyclo-

d)

None of the above

24.

Which of the following is the correct IUPAC name for this structure?

a)

3-methyl-4-isopropyl-5-methyl-6-methylheptane

b)

2,3,5-trimethyl-4-isopropylheptane

c)

4-isopropyl-3,5,6-trimethylheptane

d)

4-isopropyl-2,3,5-trimethylheptane

25.

At which end should you begin numbering the carbons?

a)

Left to right

b)

Right to left

c)

Neither

26.

Which of the following is the correct IUPAC name for this structure?

a)

3-methyl-4-isopropyl-5-methyl-6-methylheptane

b)

2,3,5-trimethyl-4-isopropylheptane

c)

4-isopropyl-3,5,6-trimethylheptane

d)

4-isopropyl-2,3,5-trimethylheptane

27.
The first member of the alkene series is methene.
a)
True
b)
False
28.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

29.

In organic chemistry, commas separate....

a)

numbers

b)

names from numbers

30.
In organic chemistry, dashes separate....
a)
numbers
b)
names from numbers
31.

Which is the structures with IUPAC nomenclature


2,2,4-trimethylpentane

a)
b)
c)
d)
32.

Which is the name of this compound?

a)

3-ethyl-2,2-dimethylhex-3-yne

b)

4-ethyl-5,5-methylhex-2-yne

c)

4-butylhex-2-yne

d)

4-ethyl-5,5-dimethylhex-2-yne

33.

What is the structure of 2-methyl pent-2-ene ?

a)

a

b)

b

c)

c

d)

d

34.

Give IUPAC nomenclature for this compound

a)

2,7-dimethyl-5-ethyloctane

b)

5-ethyl-2,7-dimethyloctane

c)

2,7-dimethyl-3-ethyloctane

d)

4-ethyl-2,7-dimethyloctane

35.
How many carbons are in the backbone (longest chain) of this organic compound: 2,3,3-triethyl-4-nonene
a)
2
b)
6
c)
7
d)
9
36.

Is the name of the representation showed in the image.

a)

Line Diagram/Skeletal Formula

b)

Condensed Formula

c)

Structural Formula

37.

Is the name of the representation showed in the image.

a)

Condensed Formula

b)

Structural Formula

c)

Line Diagram/Skeletal Formula

38.

Is the name of the representation in the image

a)

Condensed Formula

b)

Line Diagram/Skeletal Formula

c)

Structural Formula

d)

Molecular Formula

39.

Is the name of the nomenclature seen in class.

a)

IUPAC nomenclature

b)

TUPAC nomenclature

c)

ICE-T nomenclature

d)

ZUPAC nomenclature

40.

-CH2 - CH2 - CH3 is named as ________.

a)

alkyl

b)

ethyl

c)

propyl

d)

methyl

41.

The group made up of alcohols and acids

a)

esters

b)

carbocilic acids

c)

ethers

d)

alkynes

42.

molecule with the same molecular structure but different structural formula

a)

fats

b)

lipids

c)

fossil fuels

d)

isomers

43.

the MP and BP increases as the molecular structure increases

a)

hydrocarbons

b)

ethers

c)

ketones

44.

what determines the properties of hydrocarbons

a)

BP

b)

molecular structure

c)

MP

45.

what are the outer most electrons called

a)

energy level

b)

valence

c)

valency

46.
How many carbon atoms are in ethane?
a)
1
b)
2
c)
3
d)
4
47.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
48.
All alkanes are soluble in water
a)
true
b)
false
c)
depends on the number of carbons and branching
d)
depends of the temperature
49.

What is wrong with the name 2,4-methylhexane

a)

inappropriate use of commas

b)

inappropriate use of dashes

c)

a prefix is missing

d)

a space is missing

50.

Name the following hydrocarbon

a)

cis-4-hexene

b)

trans-4-hexene

c)

trans-2-hexene

d)

cis-2-hexene

51.

What is the correct name for the alkyne shown?

a)

butyne

b)

1-butyne

c)

2-butyne

d)

1-methyl-1-propyne

52.

Compounds with the same molecular structure that differ in the physical arrangement of their atoms are called...

a)

structural isomers

b)

geometric isomers

c)

rotamers

d)

none of the above

53.

Changes in the structure of the carbon chain can completely change the chemistry of the molecule

a)

True

b)

False

54.

What isomer is the molecule in the left.

a)

Cis isomer

b)

Trans isomer

55.
 What is the organic family for methyl ethanoate (methyl acetate)?  
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
56.
What is the organic family for propanone (acetone)?  
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
57.

What is the parent name of this structure?

a)

nonane

b)

pentane

c)

heptane

d)

cyclohexane

58.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
59.
What is the organic family for propane?  
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
60.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
61.
What is the organic family for propene (propylene)?  
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
62.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
63.
What is the organic family for propyne?  
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
64.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
65.
What is the organic family for methyl benzene (a.k.a. phenyl methane, or toluene)?  
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
66.
Name the organic family for this structure:
a)
organic halides
b)
alkenes
c)
alcohols
d)
aromatics
67.
What is the organic family for chloropropane?  
a)
organic halides
b)
alkenes
c)
alcohols
d)
aromatics
68.
Name the organic family for this structure:
a)
organic halides
b)
alkenes
c)
alcohols
d)
aromatics
69.
What is the organic family for propanol?  
a)
organic halides
b)
alkenes
c)
alcohols
d)
aromatics
70.
Name the organic family for this structure:
a)
organic halides
b)
esters
c)
alcohols
d)
ethers
71.
What is the organic family for methoxyethane  (ethyl methyl ether)?  
a)
organic halides
b)
esters
c)
alcohols
d)
ethers
72.
Name the organic family for this structure:
a)
aldehydes
b)
esters
c)
ketones
d)
ethers
73.
What is the organic family for propanal?  
a)
aldehydes
b)
esters
c)
ketones
d)
ethers
74.
Name the organic family for this structure:
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
75.
What is the organic family for propanone (acetone)?  
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
76.
Name the organic family for this structure:
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
77.
What is the organic family for propanoic acid?  
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
78.
Name the organic family for this structure:
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
79.
 What is the organic family for methyl ethanoate (methyl acetate)?  
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
80.
What is the organic family for propylamine?  
a)
aldehydes
b)
amides
c)
amines
d)
carboxylic acids
81.

What is the correct structure for 2 - butene?

a)
b)
c)
d)
82.
Name the following molecule?
a)
2,3-dichlorobutene
b)
cis-2,3-dichlorobutene
c)
trans-2,3-dichlorobutene
83.
What is the organic family for propanamide?  
a)
aldehydes
b)
amides
c)
amines
d)
carboxylic acids

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