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WorksheetsNaming organic compounds
Total questions: 37
Worksheet time: 21mins
Name
Class
Date
1.
What is the name of C2H4
a)
ethane
b)
ethene
c)
ethyne
d)
ether
2.
What is the name of C3 H7OH
a)
propanol
b)
propenol
c)
alkanol
d)
alcohol
3.
What is the name of C4 H9COOH
a)
propanoic acid
b)
butanoic acid
c)
pentanoic acid
d)
methyl butanote
4.
What is the name of C4 H9COOH
a)
propanoic acid
b)
butanoic acid
c)
pentanoic acid
d)
methyl butanote
5.
What is the name of C3H7COOH
a)
propanoic acid
b)
butanoic acid
c)
pentanoic acid
d)
metyl butanoate
6.
How many carbons are in the backbone (longest chain) of this organic compound: 2,2-dimethylhexane
a)
1
b)
2
c)
6
d)
7
7.
How many carbons are in the backbone (longest chain) of this organic compound: ethane
a)
1
b)
2
c)
3
d)
4
8.
How many carbons are in the backbone (longest chain) of this organic compound: 2-ethyl-3-chloroheptane
a)
2
b)
4
c)
6
d)
7
9.
How many carbons are in the backbone (longest chain) of this organic compound: 2,3,3-triethyl-4-nonene
a)
2
b)
6
c)
7
d)
9
10.
What is the prefix for four carbons?
a)
meth-
b)
but-
c)
prop-
d)
eth-
11.
What is the prefix for four carbons?
a)
meth-
b)
but-
c)
prop-
d)
eth-
12.
What is the suffix for single bonded hydrocarbons?
a)
-yne
b)
-ene
c)
-ane
d)
-one
13.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen
14.
Which of the following is a natural resource of hydrocarbon?
I. Petroleum
II. Natural Gas
III. Naphthalene
I. Petroleum
II. Natural Gas
III. Naphthalene
a)
I only
b)
II only
c)
III only
d)
I and II only
15.
C4H10 is an example of a _________________.
a)
molecular formula
b)
structural formula
c)
space-filling model
d)
ball-and-stick model
16.
During the process of fractional distillation, the petroleum compounds are separated according to the difference in their _______________.
a)
boiling point
b)
density
c)
unsaturation
d)
mass
17.
In a carbon – carbon triple bond, ______________ electron(s) is/ are shared between the two carbon atoms.
a)
two
b)
four
c)
six
d)
eight
18.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
19.
Which hydrocarbon will first be collected in the process of fractional distillation?
a)
Methane
b)
Ethane
c)
Nonane
d)
Decane
20.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
21.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
22.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
23.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
24.
How many carbon atoms are in ethane
a)
1
b)
2
c)
3
d)
4
25.
What type of hydrocarbon is this
a)
Alkane
b)
Alkene
c)
Alkyne
26.
What type of hydrocarbon is this?
a)
Alkane
b)
Alkene
c)
Alkyne
27.
What type of hydrocarbon is this?
a)
Alkane
b)
Alkene
c)
Alkyne
28.
What is the general formula for saturated hydrocarbons?
a)
CnH2n
b)
CnHn+1
c)
CnH2n+1
d)
CnH2n+2
29.
What is the IUPAC name of C5H12?
a)
Pentane
b)
Hexane
c)
Butane
d)
Heptane
30.
Which of the following alkanes has the name of 2-bromo-1-iodo butane?
a)
CH2Br CHI CH2 CH3
b)
CH3 CHBr CH2 CH2I
c)
CH2I CHBr CH2 CH3
d)
CH3 CHBr CHI CH2
31.
How many isomers does pentane have?
a)
2
b)
3
c)
5
d)
9
32.
Which of the following alkane is in gaseous state at room temperature?
a)
pentane
b)
butane
c)
hexane
d)
decane
33.
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
34.
Name the following
a)
4-ethyl-6-methyl nonane
b)
3-propyl-5-methyl octane
c)
2,4-dipropyl hexane
d)
4-ethyl-2-propyl heptane
35.
Name the following
a)
2,3-dimethyl-4,4-diethyl heptane
b)
2,3-methyl-4,4-ethyl heptane
c)
4,4-ethyl-2,3-methyl heptane
d)
4,4-diethyl-2,3-dimethyl heptane
36.
Which of the followings is undergoes a substitution reaction with alkanes
a)
Halogens
b)
Water
c)
Alkalis
d)
Acids
37.
Name the following
a)
Heptane
b)
Cycloheptane
c)
Hexane
d)
Cyclohexane
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