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WorksheetsRevision CHAPTER 5 HYDROCARBONS
Total questions: 15
Worksheet time: 8mins
Which of the following is a saturated hydrocarbon?
C2H4
C5H8
C4H10
C6H12
Which of the following is a free radical substitution reaction?
Hydrolysis of alkanes
Halogenation of alkanes
Hydrogenation of alkanes
Combustion of alkanes
By using Saytzeff’s rule, the most stable alkene is
(C2H5)2C=CH2
CH2=CHC4H9
(CH3)2C=C(CH3)2
C2H5CH=CHC2H5
Alkene + W --> diol. W could be
Cold potassium manganite (VII) solution
Hot potassium manganite (VII) solution
Cold basic potassium manganite (VII) solution
Hot acidified potassium manganite (VII) solution
When ethene gas was passed through a hot potassium manganite (VII) solution, the product formed was
HCOCH3
CH3CH2OH
(CH2OH)2
CO2 and H2O
Both ethane and ethene can react with bromine. Choose the FALSE statement.
Ethane reacts by free radical substitution.
Ethene reacts by addition
Hydrogen bromide gas is released with ethane
Ethene can only react in the presence of light
When hydrogen bromide reacts with propene,
Light is needed as a catalyst
H+ acts as an electrophile
3-bromopropane is formed
1-bromopropane is formed
How many steps of mechanism for Free Radical Substitution Reaction of Alkane.
1
2
3
4
What is the structural formulae of monosubstituted major formed when the above alkane subjected to the bromination reaction under sunlight.
