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ALKANE and ALKENE

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
2.
What is the general formula of an alkane
a)
2n+2
b)
CnH2n+2
c)
CnH2n
d)
CnHn
3.
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
4.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
5.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
6.

Which of the following has the highest boiling point?

a)

heptane

b)

pentane

c)

nonane

7.
Name the compound.
a)
hexane
b)
2,3-dimethylbutane
c)
ethylbutane
d)
2,2-dimethylbutane
8.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
9.

Select the formula for the following name: Octene

a)

C8H16

b)

C8H14

c)

C8H18

d)

C8H15OH

10.
Which formula represents a saturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
11.
How many carbons are in the longest chain of the following molecule:
a)
11
b)
10
c)
9
d)
8
12.

Reaction between this compound and two mole of H2 in the presence of Ni catalyst will produce

a)

3-methylbutene

b)

3-methylbutane

c)

2-methylbutane

d)

2-methylbutene

e)

n-butane

13.
What colour does bromine water turn in the presence of an alkene
a)
Orange
b)
Blue
c)
Colourless
d)
Green
14.

What is the observation obtained when alkene react with acidified KMnO4

a)

decolourize purple solution

b)

decolourize reddish brown solution

c)

decolourize blue solution

d)

yellow precipitate formed

15.

what is the name of the reaction when alkenes react with HCl?

a)

Hydrogenation

b)

Halogenation

c)

Hydrohalogenation

d)

Hydration

16.
Name the following molecule?
a)
2,3-dichlorobutene
b)
cis-2,3-dichlorobutene
c)
trans-2,3-dichlorobutene
17.

CH3CH2CH2CH=CHCH2CH3. What is the IUPAC name for the compound?

a)

2-Butene

b)

3-Heptene

c)

2-Methyl-2-Pentene

18.

For a compound to be considered an organic compound it must contain

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

19.

When heat is applied to a hydrocarbon and it melts, the energy is being used to...

a)

Break covalent bonds

b)

Overcome intermolecular forces

c)

Break a molecule

d)

Separate atoms

20.

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