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WorksheetsAlkanes, Alkenes, and Alkynes
Total questions: 15
Worksheet time: 15mins
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 carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
3.
What chemical is this? (C5H10)
a)
Pentene
b)
Pentane
c)
Hexane
d)
Heptene
4.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
5.
Which of the following shows the structure of ethene?
a)
b)
c)
d)
6.
Which of the following shows the structure of propene?
a)
b)
c)
d)
7.
What is the name of this hydrocarbon?
a)
1 - butane
b)
1 - butene
c)
2 - butane
d)
2 - butene
8.
Which of the following is a saturated hydrocarbon?
a)
ethene
b)
heptane
c)
propyne
d)
methanol
9.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
10.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
11.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
12.
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
13.
General formula of Alkene is
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
14.
A homologous series is a family of organic compounds with
a)
similar chemical properties and same general formula as found on Table Q
b)
different chemical properties and different general formula as found on Table P
15.
The formula for ethene is
a)
C2H4
b)
C2H6
c)
CH4
d)
C3H6
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