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WorksheetsCHEMISTRY IS AWESOME
Total questions: 20
Worksheet time: 24mins
Name
Class
Date
1.
What is the general formula for saturated hydrocarbons?
a)
CnH2n
b)
CnHn+1
c)
CnH2n+1
d)
CnH2n+2
2.
What is the IUPAC name of C5H12?
a)
Pentane
b)
Hexane
c)
Butane
d)
Heptane
3.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
4.
What is a hydrocarbon that contains only single bonds called?
a)
organic
b)
saturated
c)
unsaturated
d)
fully bonded
5.
Saturated hydrocarbons contain single bonds and double bonds
a)
True
b)
False
6.
Saturated hydrocarbons contain single bonds and double bonds
a)
True
b)
False
7.
Unsaturated hydrocarbons contain at least one double or triple bond.
a)
True
b)
False
8.
What can you tell about methane (CH4) from its molecular formula?
a)
It contains four carbon atoms.
b)
It contains one hydrogen atom.
c)
It contains four hydrogen atoms.
d)
It forms groups of four molecules.
9.
How many chemical bonds can each carbon atom form?
a)
1
b)
2
c)
3
d)
4
10.
Which is an unsaturated hydrocarbon?
a)
C2H6
b)
C3H8
c)
C4H8
11.
Which is an unsaturated hydrocarbon?
a)
C6H12
b)
C7H16
c)
C6H14
12.
Which is a saturated hydrocarbon?
a)
C5H12
b)
C5H10
c)
C5H8
13.
What is the organic family for propene (propylene)?
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
14.
Explain, in terms of carbon-carbon bonds, why this hydrocarbon is saturated.
a)
The molecule has the maximum amount of hydrogen it can have.
b)
It is an alkane so it is saturated.
c)
There are only single bonds between the hydrogen and carbon.
d)
There are only single bonds between the carbon.
15.
Which formula represents an unsaturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
16.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
17.
What functional group is -HC=O
a)
Carbonyl Aldehyde
b)
Carbonyl Ketone
c)
Carboxyl
d)
Methyl
18.
What functional group is -OH
a)
Hydroxyl
b)
Carboxyl
c)
Amino
d)
Carbonyl Ketone
19.
What functional group(s) is/are present on the molecule? (check all that apply)
a)
Hydroxyl
b)
Carboxyl
c)
Methyl
d)
Carbonyl Aldehyde
20.
what is the name of CHO functional group
a)
hydroxyl
b)
keto
c)
halogen
d)
aldehyde
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