NEW
Font size
S
M
L
XL
WorksheetsUnsaturated Hydrocarbons
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the IUPAC name of "olefins"?
a)
Alkanes
b)
Alkenes
c)
Alkynes
d)
Alkyls
2.
Which of the following alkene is in gaseous state at room temperature?
a)
Butene
b)
Butane
c)
Pentene
d)
Pentyne
3.
What is the general formula of the alkynes?
a)
CnH2n+1
b)
CnH2n+2
c)
CnH2n-1
d)
CnH2n-2
4.
a)
2-methyl-but-1-yne-3-ene
b)
1-methyl-but-1-yne-3-ene
c)
2-methyl-but-1-ene-3-yne
d)
1-methyl-but-1-ene-3-yne
5.
a)
3-ethyl-2,2-dimethyl-3-hexyne
b)
4-ethyl-5,5-methyl-2-hexayne
c)
4-butyl-2-hexayne
d)
4-ethyl-5,5-dimethyl-2-hexyne
6.
What is the structure of 2-methyl pent-2-ene ?
a)
a
b)
b
c)
c
d)
d
7.
a)
Trans butene
b)
Isobutene
c)
Cis butene
d)
Isoprene
8.
Which of the following alkene reaction follows Markovnokv's rule?
a)
CH2 = CH2 + H2 → CH3 – CH3
b)
CH2 = CH2 + Br2 → Br-CH2 – CH2-Br
c)
CH2 = CH- CH3+ HCl → CH3 – CHCl - CH3
d)
CH2 = CH2 + H2O → OH-CH2 – CH3
9.
When an alkyne burns, it produces 4 mol of water. What is the name of alkyne?
a)
Butyne
b)
Propyne
c)
Hexyne
d)
Pentyne
10.
Which of the natural polymer of alkenes produces natural rubber?
a)
Isoprene
b)
Isobutene
c)
1-methyl-2-butene
d)
2-methyle-1-butyne
11.
What is the process in which synthetic rubber treated with sulfur at high temperature to overcome the weakness of polymer?
a)
Polymerization
b)
Condensation
c)
Vulcanization
d)
Modification
12.
What is the IUPAC name of dimethylacetylene?
a)
But-1-yne
b)
But-2-yne
c)
Ethyne
d)
Propyne
13.
Which of the following family could not give functional isomerism with alkynes?
a)
Alkadienes
b)
Cycloalkenes
c)
Cycloalkanes
d)
Bicycloalkanes
14.
Which of the following is not one the use of acetylene gas?
a)
Cutting metals
b)
Miner's torch
c)
Preparing acetic acid
d)
Ripening fruits
15.
Which of the following is the on of the preparation method of acetylene gas?
a)
From calcium carbide
b)
Dehydration of alcholes
c)
Cracking reaction
d)
Hydrogenation
Reset
