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WorksheetsAlkanes
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
What is the general formula of the alkynes?
a)
CnH2n+1
b)
CnH2n+2
c)
CnH2n-1
d)
CnH2n-2
2.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
3.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
4.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
5.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
6.
Give the name of this compound...
C3H8
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
7.
Which is the structures with IUPAC nomenclature
2,2,4-trimethylpentane
a)
b)
c)
d)
8.
Give the IUPAC name for this compound
a)
3-methyl-4-ethylhexane
b)
3-ethyl-4-methylhexane
c)
3-methyl-4-ethylheptane
d)
3-ethyl-4-methylheptane
9.
Why do alkane not dissolve in water?
a)
they are less dense than water
b)
they have low melting points
c)
they are non-polar compounds
d)
they are chemically less reactive
10.
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
11.
Methyl has the molecular formula
a)
CH4
b)
CH3
c)
CH
d)
CH2
12.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
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