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WorksheetsReaction of Alkanes
Total questions: 15
Worksheet time: 9mins
Methane reacts with chlorine in substitution reaction. Which of these is an essential condition?
An acid catalyst
A low temperature
UV light
A low pressure
Alkanes react with excess oxygen to form
carbon dioxide and water
salt and water
carbon monoxide and soot
metal hydroxide and hydrogen
Possible products of INCOMPLETE combustion
Carbon (C)
Carbon Monoxide (CO)
Carbon Dioxide (CO2)
Water (H2O)
Which of the following statements concerning the reaction of methane with bromine is/are correct?
(1) It is an addition reaction.
(2) It is a substitution reaction.
(3) A similar reaction will occur if propane is used instead of methane.
(1) only
(2) only
(1) and (3) only
(2) and (3) only
Which equation represents a termination step?
Ethane reacts with bromine under suitable condition.
Which is the product during the initiation step?
bromine ion
ethyl radical
bromine radical
hydrogen radical
What happens if an alkane reacts with limited oxygen?
Produced carbon dioxide and water
Produced carbon monoxide and water
Produced oxygen and water
Produced soot and water
What is the condition needed for substitution reaction with chlorine?
presence of sunlight
presence of red light
presence of UV light
all of the above
Which of the following is NOT a product formed when methane reacts under the needed conditions with chlorine?
CH3Cl
CH2Cl2
CHCl4
CCl4
What type of chemical reaction is this:
C3H8 + 5O2 --> 3CO2 + 4H2O
Incomplete combustion
Substitution with oxygen
Complete combustion
Substitution with chlorine
What type of chemical reaction is this:
C3H8 + Br2 --> C3H7Br + HBr
Incomplete combustion
Substitution with chlorine
Complete combustion
Substitution with bromine
Which of the following is true about incomplete combustion?
It takes place because there is too much supply of air
It takes place because there is not enough supply of air
The products are soot and hydrocarbons
The products are hydrogen and water
The following is a product of the reaction between propane and chlorine: C3H8Cl
TRUE
FALSE
The following is a product of the reaction between propane and chlorine: C3H7Cl
TRUE
FALSE
