EASY
AS and A Level
IMPORTANT
Earn 100

Bromine can react with ethane to form bromoethane. Why is this reaction not a good way to prepare a pure sample of bromoethane?

Important Questions on Hydrocarbons

EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 3
Bromine can react with ethane to form bromoethane. Name the three steps in the mechanism of this reaction. 
MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 3
Bromine can react with ethane to form bromoethane. Write an equation to show first step in the mechanism. 
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 3
Bromine can react with ethane to form bromoethane. What type so bond breaking does the first step involve?
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 4
Name the first member of homologous series of alkenes. 
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 4
Give the molecular formula of alkene containing 18 carbon atoms and one C=C bond.
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 4

Write the word equation for an example of cracking CH3CH28CH3→heatAl2O3CH3CH24CH3+CH2=CH-CH2-CH3

EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 4
Write a balanced equation to show the cracking of nonane into heptane and ethene. 
MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 15 - Hydrocarbons>Question>Q 4
Discuss and suggest why 'alkenes are more reactive than alkanes'. Think about whether electrophiles or nucleophiles would attack alkenes and explain your choice.