Alkanes - exam practice
Alkanes
Question 1 of 14
1 of 14
One of the reactions taking place in a catalytic converter in a car exhaust system is between nitrogen oxide and octane (unburned petrol). The products of this reaction are non-toxic.
Which is the correct equation for the reaction?
Question 2 of 14
2 of 14
Nitrogen monoxide, NO, is a primary pollutant produced by petrol engines and is found in their exhaust gases.
Which reaction occurs in a catalytic converter and decreases the emission of nitrogen monoxide?
Question 3 of 14
3 of 14
The first step in the reaction between chlorine and ethane involves
Question 4 of 14
4 of 14
The hydrocarbon C17H36 can be cracked.
Which compound is the least likely to be produced in this reaction?
Question 5 of 14
5 of 14
How many structural isomers are there of molecular formula C5H10O that give a red precipitate with Fehling’s solution?
Question 6 of 14
6 of 14
Which fuel would produce the largest mass of CO2 when 10 kg of the fuel undergo complete combustion?
Question 7 of 14
7 of 14
This question is about the reaction of methane with bromine in sunlight.
CH4 + Br2 ➔ CH3Br + HBr
This reaction is best described as
Question 8 of 14
8 of 14
Which property explains the low reactivity of alkanes?
Question 9 of 14
9 of 14
Which alkane has the highest boiling point?
Question 10 of 14
10 of 14
1 mol of a compound reacts with 8 mol O2 for complete combustion.
What is the formula of the compound?
Question 11 of 14
11 of 14
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 12 of 14
12 of 14
An excess of methane reacts with chlorine in the presence of ultraviolet radiation.
What are the main products of this reaction?
Question 13 of 14
13 of 14
Which statement is correct about the fractional distillation of crude oil?
Question 14 of 14
14 of 14

The skeletal formulae of three isomers are shown.
Which series shows the correct order of increasing boiling temperature?