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WorksheetsC12 Organic Chemistry
Total questions: 45
Worksheet time: 28mins
Name
Class
Date
1.
If decane underwent cracking, it would produce pentane, propene and which other monomer?
a)
Ethene
b)
Propene
c)
Butene
d)
Pentene
2.
What functional group is found in the following molecule:
a)
alkene
b)
alkyne
c)
halide
3.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
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.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
7.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
8.
How many carbon atoms are in ethane
a)
1
b)
2
c)
3
d)
4
9.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
10.
How many carbon atoms are in butane
a)
1
b)
2
c)
3
d)
4
11.
How many hydrogen atoms are in methane
a)
4
b)
6
c)
8
d)
10
12.
How many hydrogen atoms are in ethane
a)
4
b)
6
c)
8
d)
10
13.
How many hydrogen atoms are in propane
a)
4
b)
6
c)
8
d)
10
14.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
15.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
16.
If an alkane has 32 hydrogen atoms, how many carbon atoms does it have?
a)
64
b)
66
c)
15
d)
16
17.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
18.
In fractional distillation, longer length hydrocarbons are found where in the distillation column?
a)
Top
b)
Bottom
19.
What are the two products of complete combustion?
a)
Water and carbon monoxide
b)
Water and carbon dioxide
c)
Hydrogen and water
d)
Carbon dioxide
20.
What is the general formula of an alkane
a)
2n+2
b)
CnH2n+2
c)
CnH2n
d)
CnHn
21.
What is the general formula of an alkene
a)
2n+2
b)
CnH2n+2
c)
CnH2n
d)
CnHn
22.
What is the exam definition of saturated?
a)
No single bonds
b)
Contains a double bond
c)
No single bonds, all double bonds
d)
No double bonds, all single bonds
23.
How many atoms of hydrogen are in ethanol? C2H5OH
a)
5
b)
2
c)
6
d)
9
24.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
25.
What is the physical state of the material collected at pipe M and Pipe N?
a)
M: Gas
N: Solid
N: Solid
b)
M: Solid
N: Gas
N: Gas
c)
M: Liquid
N: Gas
N: Gas
d)
M: Liquid
N: Solid
N: Solid
26.
At which pipe: M or N are hydrocarbons with lower boiling points collected?
a)
M
b)
N
27.
At which pipe: M or N are larger hydrocarbons collected?
a)
M
b)
N
28.
How does the temperature change from top to bottom?
a)
Increases
b)
Decreases
c)
It does not change
d)
Cannot be determined
29.
Cracking.....
a)
Breaks larger hydrocarbons into smaller hydrocarbons
b)
Separates hydrocarbons based on their length
c)
Detects alkenes
30.
What liquid detects the presence of an alkene?
a)
Alkene water
b)
Bromine water
c)
Water
d)
Limewater
31.
What colour does bromine water turn in the presence of an alkene
a)
Orange
b)
Blue
c)
Colourless
d)
Green
32.
what kind of molecule is this?
a)
alkane
b)
alkene
c)
alkyne
d)
cycloalkane
33.
Fractional distillation involves...
a)
heating, evaporating mixed hydrocarbon and seperating based on different densities
b)
heating, evaporating mixed hydrocarbon and seperating based on different boiling point
34.
a)
Alkane
b)
Alkene
c)
Alkyne
35.
Alcohols contain which functional group?
a)
-OH
b)
-COOH
c)
-COOCH3
36.
Name this diagram: (click to hide text)
a)
Ethanol
b)
Methanol
c)
Propanol
d)
Butanol
37.
What functional group does this have?
CH3OH
CH3OH
a)
Alcohol
b)
Carboxylic acid
c)
Ester
38.
Name this diagram
a)
Ethanol
b)
Methanol
c)
Propanol
d)
Butanol
39.
Name this diagram
a)
Ethanol
b)
Methanol
c)
Propanol
d)
Butanol
40.
What is the general formula for an alcohol
a)
CnH2n
b)
CnH2nO
c)
CnH2n+1O
d)
CnH2n+1OH
41.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
42.
As the carbon chain gets __________, the boiling point gets ____________.
a)
shorter; higher
b)
longer; lower
c)
shorter; stays the same
d)
longer; higher
43.
Crude oil is refined through:
a)
charcoal filtration
b)
fractional distillation
c)
sand filtration
d)
melting point purification
44.
The highest temperature in a fractional distillation column is found:
a)
at the bottom
b)
at the top
c)
in the middle
45.
Petroleum is pumped from the ground and comes out as:
a)
oil
b)
gasoline
c)
crude oil
d)
high octane petroleum
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