Alkanes - exam practice
Alkanes
Question 1 of 11
1 of 11
The first step in the reaction between chlorine and ethane involves
Question 2 of 11
2 of 11
The hydrocarbon C17H36 can be cracked.
Which compound is the least likely to be produced in this reaction?
Question 3 of 11
3 of 11
How many structural isomers are there of molecular formula C5H10O that give a red precipitate with Fehling’s solution?
Question 4 of 11
4 of 11
Which fuel would produce the largest mass of CO2 when 10 kg of the fuel undergo complete combustion?
Question 5 of 11
5 of 11
This question is about the reaction of methane with bromine in sunlight.
CH4 + Br2 ➔ CH3Br + HBr
This reaction is best described as
Question 6 of 11
6 of 11
Which property explains the low reactivity of alkanes?
Question 7 of 11
7 of 11
Which alkane has the highest boiling point?
Question 8 of 11
8 of 11
1 mol of a compound reacts with 8 mol O2 for complete combustion.
What is the formula of the compound?
Question 9 of 11
9 of 11
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 10 of 11
10 of 11
An excess of methane reacts with chlorine in the presence of ultraviolet radiation.
What are the main products of this reaction?
Question 11 of 11
11 of 11

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