Alkanes - exam practice
Alkanes
Question 1 of 15
1 of 15
The hydrocarbon C17H36 can be cracked.
Which compound is the least likely to be produced in this reaction?
Question 2 of 15
2 of 15
Which fuel would produce the largest mass of CO2 when 10 kg of the fuel undergo complete combustion?
Question 3 of 15
3 of 15
Which alkane has the highest boiling point?
Question 4 of 15
4 of 15
1 mol of a compound reacts with 8 mol O2 for complete combustion.
What is the formula of the compound?
Question 5 of 15
5 of 15
Tetradecane (C14H30) is an alkane found in crude oil.
When tetradecane is heated to a high temperature, one molecule of tetradecane decomposes to form one molecule of hexane and three more molecules.
Which of the following could represent this reaction?
Question 6 of 15
6 of 15
An excess of methane reacts with chlorine in the presence of ultraviolet radiation.
What are the main products of this reaction?
Question 7 of 15
7 of 15
Which statement is correct about the fractional distillation of crude oil?
Question 8 of 15
8 of 15
What is formed in a propagation step of the substitution reaction between bromine and ethane?
Question 9 of 15
9 of 15
What is a propagation step in the free-radical substitution mechanism of ethane with chlorine?
Question 10 of 15
10 of 15
What is the equation for the reforming of hexane into benzene?
Question 11 of 15
11 of 15
Chain isomers have different
Question 12 of 15
12 of 15
How many structural isomers have the molecular formula C5H12?
Question 13 of 15
13 of 15
Which compound is notan isomer of the following compound?
Question 14 of 15
14 of 15
What is a disadvantage of using biofuels, compared to fossil fuels?
Question 15 of 15
15 of 15
A student says that bio-ethanol is carbon neutral.
Which option provides evidence that disagrees with the student’s statement about bio-ethanol?