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Worksheetsisomerism and alkane reactions
Total questions: 11
Worksheet time: 7mins
Propane exhibits 2 isomers.
True
False
How many isomers of C3H6Br2 are there?
2
3
4
5
State the number of isomers with the molecular formula C3H8O.
(a)
Which of the following structures is not an isomer of the other three structures?
Which of the following is an unsaturated hydrocarbon?
C2H6
C3H8
C4H8
C4H10
The equation for the combustion of cyclooctane is given by:
CxHy + a O2 → b CO2 + c H2O
What is the value of a?
(a)
Which statement regarding the reactivity of alkanes is true?
Alkanes cannot undergo any reaction at all.
Alkanes can react with chlorine in sunlight.
Alkanes can react with hydrogen gas in sunlight.
Alkanes can react with hydrogen gas in the presence of a transition metal catalyst.
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
How many different mono-brominated products can result from this reaction?
(a)
What is the expected ratio of the different monochlorinated products when the following hydrocarbon undergoes bromination in UV light?
9 : 1 : 2 : 2 : 2
9 : 1 : 4 : 4 : 2
9 : 1 : 1 : 4 : 4 : 2
3 : 6 : 1 : 4 : 4 : 2
Which of the following is not a feature of the chlorination of ethane in UV light?
Dichloroethanes are present in the product mixture.
An excess of ethane is added to favour monochlorination.
Hydrogen gas is expelled as a by product.
The gaseous product mixture, when mixed with water, produces an acidic solution.
